622916 has 12 divisors (see below), whose sum is σ = 1245888. Its totient is φ = 266952.

The previous prime is 622901. The next prime is 622927. The reversal of 622916 is 619226.

622916 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

622916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11096 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (103824).

2⁶²²⁹¹⁶ is an apocalyptic number.

It is an amenable number.

622916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622916 is a wasteful number, since it uses less digits than its factorization.

622916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22258 (or 22256 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 622916 is about 789.2502771618. The cubic root of 622916 is about 85.4036624528.

It can be divided in two parts, 6 and 22916, that added together give a palindrome (22922).

The spelling of 622916 in words is "six hundred twenty-two thousand, nine hundred sixteen".