22259370 has 32 divisors (see below), whose sum is σ = 61054848. Its totient is φ = 5087808.

The previous prime is 22259353. The next prime is 22259381. The reversal of 22259370 is 7395222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52789 + ... + 53208.

It is an arithmetic number, because the mean of its divisors is an integer number (1907964).

Almost surely, 2^22259370 is an apocalyptic number.

22259370 is an abundant number, since it is smaller than the sum of its proper divisors (38795478).

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

22259370 is a wasteful number, since it uses less digits than its factorization.

22259370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106014.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 22259370 is about 4717.9836794970. The cubic root of 22259370 is about 281.3007928017.

The spelling of 22259370 in words is "twenty-two million, two hundred fifty-nine thousand, three hundred seventy".