622634 has 8 divisors (see below), whose sum is σ = 937440. Its totient is φ = 310156.

The previous prime is 622621. The next prime is 622637. The reversal of 622634 is 436226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (622637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2⁶²²⁶³⁴ is an apocalyptic number.

622634 is a deficient number, since it is larger than the sum of its proper divisors (314806).

622634 is a wasteful number, since it uses less digits than its factorization.

622634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its digits is 1728, while the sum is 23.

The square root of 622634 is about 789.0716063831. The cubic root of 622634 is about 85.3907728240.

The spelling of 622634 in words is "six hundred twenty-two thousand, six hundred thirty-four".