22556732 has 24 divisors (see below), whose sum is σ = 43185072. Its totient is φ = 10224000.

The previous prime is 22556731. The next prime is 22556749. The reversal of 22556732 is 23765522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26018 + ... + 26870.

It is an arithmetic number, because the mean of its divisors is an integer number (1799378).

Almost surely, 2^22556732 is an apocalyptic number.

22556732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22556732 is a deficient number, since it is larger than the sum of its proper divisors (20628340).

22556732 is a wasteful number, since it uses less digits than its factorization.

22556732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1467 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 22556732 is about 4749.3928032960. The cubic root of 22556732 is about 282.5478844353.

The spelling of 22556732 in words is "twenty-two million, five hundred fifty-six thousand, seven hundred thirty-two".