22058220 has 24 divisors (see below), whose sum is σ = 61763184. Its totient is φ = 5882176.

The previous prime is 22058213. The next prime is 22058251. The reversal of 22058220 is 2285022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183759 + ... + 183878.

It is an arithmetic number, because the mean of its divisors is an integer number (2573466).

Almost surely, 2^22058220 is an apocalyptic number.

22058220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22058220 is an abundant number, since it is smaller than the sum of its proper divisors (39704964).

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

22058220 is a wasteful number, since it uses less digits than its factorization.

22058220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367649 (or 367647 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22058220 is about 4696.6179320869. The cubic root of 22058220 is about 280.4508891813.

The spelling of 22058220 in words is "twenty-two million, fifty-eight thousand, two hundred twenty".