22427992 has 16 divisors (see below), whose sum is σ = 42742800. Its totient is φ = 11029920.

The previous prime is 22427989. The next prime is 22428001. The reversal of 22427992 is 29972422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22492 + ... + 23467.

It is an arithmetic number, because the mean of its divisors is an integer number (2671425).

Almost surely, 2^22427992 is an apocalyptic number.

It is an amenable number.

22427992 is a deficient number, since it is larger than the sum of its proper divisors (20314808).

22427992 is a wasteful number, since it uses less digits than its factorization.

22427992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46026 (or 46022 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 22427992 is about 4735.8200979345. The cubic root of 22427992 is about 282.0093218252.

The spelling of 22427992 in words is "twenty-two million, four hundred twenty-seven thousand, nine hundred ninety-two".