22327992 has 24 divisors (see below), whose sum is σ = 60471840. Its totient is φ = 7442640.

The previous prime is 22327957. The next prime is 22328003. The reversal of 22327992 is 29972322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×22327992³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154984 + ... + 155127.

It is an arithmetic number, because the mean of its divisors is an integer number (2519660).

Almost surely, 2^22327992 is an apocalyptic number.

It is an amenable number.

22327992 is an abundant number, since it is smaller than the sum of its proper divisors (38143848).

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

22327992 is a wasteful number, since it uses less digits than its factorization.

22327992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310123 (or 310116 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 22327992 is about 4725.2504695519. The cubic root of 22327992 is about 281.5895643839.

The spelling of 22327992 in words is "twenty-two million, three hundred twenty-seven thousand, nine hundred ninety-two".