22159632 has 40 divisors (see below), whose sum is σ = 62451360. Its totient is φ = 6714880.

The previous prime is 22159601. The next prime is 22159667. The reversal of 22159632 is 23695122.

It is a self number, because there is not a number n which added to its sum of digits gives 22159632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20457 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (1561284).

Almost surely, 2^22159632 is an apocalyptic number.

22159632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22159632 is an abundant number, since it is smaller than the sum of its proper divisors (40291728).

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

22159632 is a wasteful number, since it uses less digits than its factorization.

22159632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41991 (or 41985 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 22159632 is about 4707.4018311591. The cubic root of 22159632 is about 280.8800203757.

It can be divided in two parts, 22159 and 632, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 22159632 in words is "twenty-two million, one hundred fifty-nine thousand, six hundred thirty-two".