622629 has 12 divisors (see below), whose sum is σ = 1027936. Its totient is φ = 355752.

The previous prime is 622621. The next prime is 622637. The reversal of 622629 is 926226.

It is an interprime number because it is at equal distance from previous prime (622621) and next prime (622637).

It is not a de Polignac number, because 622629 - 2³ = 622621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4879 + ... + 5004.

2⁶²²⁶²⁹ is an apocalyptic number.

It is an amenable number.

622629 is a deficient number, since it is larger than the sum of its proper divisors (405307).

622629 is a wasteful number, since it uses less digits than its factorization.

622629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9896 (or 9893 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 622629 is about 789.0684380965. The cubic root of 622629 is about 85.3905442494.

The spelling of 622629 in words is "six hundred twenty-two thousand, six hundred twenty-nine".