22475688 has 16 divisors (see below), whose sum is σ = 56189280. Its totient is φ = 7491888.

The previous prime is 22475681. The next prime is 22475699. The reversal of 22475688 is 88657422.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22475681) 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, 468220 + ... + 468267.

It is an arithmetic number, because the mean of its divisors is an integer number (3511830).

Almost surely, 2^22475688 is an apocalyptic number.

It is an amenable number.

22475688 is an abundant number, since it is smaller than the sum of its proper divisors (33713592).

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

22475688 is a wasteful number, since it uses less digits than its factorization.

22475688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936496 (or 936492 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 22475688 is about 4740.8530877892. The cubic root of 22475688 is about 282.2090899390.

The spelling of 22475688 in words is "twenty-two million, four hundred seventy-five thousand, six hundred eighty-eight".