22248432 has 50 divisors (see below), whose sum is σ = 64397168. Its totient is φ = 7415712.

The previous prime is 22248431. The next prime is 22248451. The reversal of 22248432 is 23484222.

22248432 is a `hidden beast` number, since 2 + 224 + 8 + 432 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 = 22248396 and 22248405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248431) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7288 + ... + 9879.

Almost surely, 2^22248432 is an apocalyptic number.

It is an amenable number.

22248432 is an abundant number, since it is smaller than the sum of its proper divisors (42148736).

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

22248432 is a wasteful number, since it uses less digits than its factorization.

22248432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17187 (or 17172 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 22248432 is about 4716.8243554324. The cubic root of 22248432 is about 281.2547092545.

The spelling of 22248432 in words is "twenty-two million, two hundred forty-eight thousand, four hundred thirty-two".