22372770 has 32 divisors (see below), whose sum is σ = 61365888. Its totient is φ = 5113728.

The previous prime is 22372769. The next prime is 22372781. The reversal of 22372770 is 7727322.

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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53059 + ... + 53478.

It is an arithmetic number, because the mean of its divisors is an integer number (1917684).

Almost surely, 2^22372770 is an apocalyptic number.

22372770 is an abundant number, since it is smaller than the sum of its proper divisors (38993118).

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

22372770 is a wasteful number, since it uses less digits than its factorization.

22372770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106554.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 22372770 is about 4729.9862579082. The cubic root of 22372770 is about 281.7776779995. Note that the first 3 decimals are identical.

The spelling of 22372770 in words is "twenty-two million, three hundred seventy-two thousand, seven hundred seventy".