22479492 has 24 divisors (see below), whose sum is σ = 59945536. Its totient is φ = 6422688.

The previous prime is 22479467. The next prime is 22479517. The reversal of 22479492 is 29497422.

It is an interprime number because it is at equal distance from previous prime (22479467) and next prime (22479517).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22479492.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133723 + ... + 133890.

Almost surely, 2^22479492 is an apocalyptic number.

It is an amenable number.

22479492 is an abundant number, since it is smaller than the sum of its proper divisors (37466044).

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

22479492 is a wasteful number, since it uses less digits than its factorization.

22479492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267627 (or 267625 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 22479492 is about 4741.2542644326. The cubic root of 22479492 is about 282.2250102943.

The spelling of 22479492 in words is "twenty-two million, four hundred seventy-nine thousand, four hundred ninety-two".