22056208 has 40 divisors (see below), whose sum is σ = 45666720. Its totient is φ = 10283520.

The previous prime is 22056193. The next prime is 22056239. The reversal of 22056208 is 80265022.

It is a super-2 number, since 2×22056208² = 972952622678528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35323 + ... + 35941.

It is an arithmetic number, because the mean of its divisors is an integer number (1141668).

Almost surely, 2^22056208 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 22056208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22833360).

22056208 is an abundant number, since it is smaller than the sum of its proper divisors (23610512).

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

22056208 is a wasteful number, since it uses less digits than its factorization.

22056208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 22056208 is about 4696.4037305155. The cubic root of 22056208 is about 280.4423619846.

The spelling of 22056208 in words is "twenty-two million, fifty-six thousand, two hundred eight".