22662432 has 72 divisors (see below), whose sum is σ = 69415164. Its totient is φ = 6971904.

The previous prime is 22662397. The next prime is 22662449. The reversal of 22662432 is 23426622.

22662432 is a `hidden beast` number, since 2 + 2 + 6 + 624 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18352656 + 4309776 = 4284^2 + 2076^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22662396 and 22662405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 718 + ... + 6770.

Almost surely, 2^22662432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22662432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34707582).

22662432 is an abundant number, since it is smaller than the sum of its proper divisors (46752732).

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

22662432 is a wasteful number, since it uses less digits than its factorization.

22662432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082 (or 6071 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 22662432 is about 4760.5075359671. The cubic root of 22662432 is about 282.9885331251.

The spelling of 22662432 in words is "twenty-two million, six hundred sixty-two thousand, four hundred thirty-two".