22663432 has 16 divisors (see below), whose sum is σ = 46357200. Its totient is φ = 10301520.

The previous prime is 22663429. The next prime is 22663457. The reversal of 22663432 is 23436622.

It is a self number, because there is not a number n which added to its sum of digits gives 22663432.

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, 128682 + ... + 128857.

It is an arithmetic number, because the mean of its divisors is an integer number (2897325).

Almost surely, 2^22663432 is an apocalyptic number.

22663432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22663432 is an abundant number, since it is smaller than the sum of its proper divisors (23693768).

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

22663432 is a wasteful number, since it uses less digits than its factorization.

22663432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257556 (or 257552 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 22663432 is about 4760.6125656264. The cubic root of 22663432 is about 282.9926954376.

It can be divided in two parts, 2 and 2663432, that multiplied together give a square (5326864 = 2308²).

The spelling of 22663432 in words is "twenty-two million, six hundred sixty-three thousand, four hundred thirty-two".