622

622 = 2 x 311.

622 and 623 are consecutive semiprimes (A070552).

622 is the number of primes less than 4600 (A028505).

622 is the sum of the first 27 composite numbers (A053767).

622 is the sum of no fewer than 17 fourth powers (A099591).

622 is a number whose digit sum is 10 (A052224).

622 has the representation 5⁴ - 3.

622 is a divisor of 95¹⁰ - 1.

Source: On-Line Encyclopedia of Integer Sequences