22084520 has 16 divisors (see below), whose sum is σ = 49690260. Its totient is φ = 8833792.

The previous prime is 22084519. The next prime is 22084541. The reversal of 22084520 is 2548022.

It can be written as a sum of positive squares in 2 ways, for example, as 20016676 + 2067844 = 4474^2 + 1438^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276017 + ... + 276096.

Almost surely, 2^22084520 is an apocalyptic number.

22084520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22084520 is an abundant number, since it is smaller than the sum of its proper divisors (27605740).

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

22084520 is a wasteful number, since it uses less digits than its factorization.

22084520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552124 (or 552120 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22084520 is about 4699.4169851163. The cubic root of 22084520 is about 280.5623053777.

The spelling of 22084520 in words is "twenty-two million, eighty-four thousand, five hundred twenty".