22055472 has 60 divisors (see below), whose sum is σ = 62400520. Its totient is φ = 7271424.

The previous prime is 22055377. The next prime is 22055489. The reversal of 22055472 is 27455022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13179 + ... + 14757.

Almost surely, 2^22055472 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 22055472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31200260).

22055472 is an abundant number, since it is smaller than the sum of its proper divisors (40345048).

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

22055472 is a wasteful number, since it uses less digits than its factorization.

22055472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 22055472 is about 4696.3253720329. The cubic root of 22055472 is about 280.4392425624.

The spelling of 22055472 in words is "twenty-two million, fifty-five thousand, four hundred seventy-two".