22472832 has 64 divisors (see below), whose sum is σ = 61126560. Its totient is φ = 7311360.

The previous prime is 22472809. The next prime is 22472833. The reversal of 22472832 is 23827422.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 22472832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22472833) 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, 15832 + ... + 17192.

Almost surely, 2^22472832 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 22472832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30563280).

22472832 is an abundant number, since it is smaller than the sum of its proper divisors (38653728).

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

22472832 is a wasteful number, since it uses less digits than its factorization.

22472832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1409 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 22472832 is about 4740.5518666079. The cubic root of 22472832 is about 282.1971359363.

The spelling of 22472832 in words is "twenty-two million, four hundred seventy-two thousand, eight hundred thirty-two".