22165968 has 40 divisors (see below), whose sum is σ = 62469216. Its totient is φ = 6716800.

The previous prime is 22165963. The next prime is 22165973. The reversal of 22165968 is 86956122.

It is an interprime number because it is at equal distance from previous prime (22165963) and next prime (22165973).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22165963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20463 + ... + 21518.

Almost surely, 2^22165968 is an apocalyptic number.

It is an amenable number.

22165968 is an abundant number, since it is smaller than the sum of its proper divisors (40303248).

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

22165968 is a wasteful number, since it uses less digits than its factorization.

22165968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42003 (or 41997 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 22165968 is about 4708.0747657615. The cubic root of 22165968 is about 280.9067880618.

The spelling of 22165968 in words is "twenty-two million, one hundred sixty-five thousand, nine hundred sixty-eight".