22058212 has 48 divisors (see below), whose sum is σ = 44452800. Its totient is φ = 9484160.

The previous prime is 22058203. The next prime is 22058213. The reversal of 22058212 is 21285022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22058213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75138 + ... + 75430.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 2^22058212 is an apocalyptic number.

22058212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22058212 is an abundant number, since it is smaller than the sum of its proper divisors (22394588).

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

22058212 is a wasteful number, since it uses less digits than its factorization.

22058212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 22058212 is about 4696.6170804101. The cubic root of 22058212 is about 280.4508552770.

The spelling of 22058212 in words is "twenty-two million, fifty-eight thousand, two hundred twelve".