22500212190 has 32 divisors (see below), whose sum is σ = 54312663456. Its totient is φ = 5965372800.

The previous prime is 22500212177. The next prime is 22500212209. The reversal of 22500212190 is 9121200522.

It is a super-2 number, since 2×22500212190² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22500212190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2162461 + ... + 2172840.

It is an arithmetic number, because the mean of its divisors is an integer number (1697270733).

Almost surely, 2^22500212190 is an apocalyptic number.

22500212190 is an abundant number, since it is smaller than the sum of its proper divisors (31812451266).

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

22500212190 is a wasteful number, since it uses less digits than its factorization.

22500212190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335484.

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 22500212190 in words is "twenty-two billion, five hundred million, two hundred twelve thousand, one hundred ninety".