22900212 has 24 divisors (see below), whose sum is σ = 59371200. Its totient is φ = 7633368.

The previous prime is 22900211. The next prime is 22900217. The reversal of 22900212 is 21200922.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22900211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105912 + ... + 106127.

It is an arithmetic number, because the mean of its divisors is an integer number (2473800).

Almost surely, 2^22900212 is an apocalyptic number.

It is an amenable number.

22900212 is an abundant number, since it is smaller than the sum of its proper divisors (36470988).

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

22900212 is a wasteful number, since it uses less digits than its factorization.

22900212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212052 (or 212044 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22900212 is about 4785.4165962850. The cubic root of 22900212 is about 283.9748208848.

The spelling of 22900212 in words is "twenty-two million, nine hundred thousand, two hundred twelve".