22556672 has 26 divisors (see below), whose sum is σ = 45116028. Its totient is φ = 11276288.

The previous prime is 22556669. The next prime is 22556687. The reversal of 22556672 is 27665522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343 + ... + 6849.

Almost surely, 2^22556672 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 22556672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22558014).

22556672 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22556672 is an frugal number, since it uses more digits than its factorization.

22556672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531 (or 5509 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 22556672 is about 4749.3864866949. The cubic root of 22556672 is about 282.5476339131.

The spelling of 22556672 in words is "twenty-two million, five hundred fifty-six thousand, six hundred seventy-two".