22255607 has 16 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 19736640.

The previous prime is 22255603. The next prime is 22255609. The reversal of 22255607 is 70655222.

It is not a de Polignac number, because 22255607 - 2² = 22255603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22255607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124244 + ... + 124422.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 2^22255607 is an apocalyptic number.

22255607 is a deficient number, since it is larger than the sum of its proper divisors (2627593).

22255607 is a wasteful number, since it uses less digits than its factorization.

22255607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22255607 is about 4717.5848694009. The cubic root of 22255607 is about 281.2849403834.

The spelling of 22255607 in words is "twenty-two million, two hundred fifty-five thousand, six hundred seven".