22999992 has 16 divisors (see below), whose sum is σ = 57500040. Its totient is φ = 7666656.

The previous prime is 22999979. The next prime is 22999993. The reversal of 22999992 is 29999922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479143 + ... + 479190.

Almost surely, 2^22999992 is an apocalyptic number.

It is an amenable number.

22999992 is an abundant number, since it is smaller than the sum of its proper divisors (34500048).

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

22999992 is a wasteful number, since it uses less digits than its factorization.

22999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958342 (or 958338 counting only the distinct ones).

The product of its digits is 472392, while the sum is 51.

The square root of 22999992 is about 4795.8306892550. The cubic root of 22999992 is about 284.3866650128.

The spelling of 22999992 in words is "twenty-two million, nine hundred ninety-nine thousand, nine hundred ninety-two".