22074432 has 56 divisors (see below), whose sum is σ = 61850016. Its totient is φ = 6924288.

The previous prime is 22074427. The next prime is 22074433. The reversal of 22074432 is 23447022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22074433) 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, 118 + ... + 6645.

Almost surely, 2^22074432 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 22074432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30925008).

22074432 is an abundant number, since it is smaller than the sum of its proper divisors (39775584).

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

22074432 is a wasteful number, since it uses less digits than its factorization.

22074432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 22074432 is about 4698.3435378865. The cubic root of 22074432 is about 280.5195794684.

The spelling of 22074432 in words is "twenty-two million, seventy-four thousand, four hundred thirty-two".