22012200122202 has 48 divisors (see below), whose sum is σ = 50586096353832. Its totient is φ = 6893819781120.

The previous prime is 22012200122191. The next prime is 22012200122243. The reversal of 22012200122202 is 20222100221022.

22012200122202 is a `hidden beast` number, since 220 + 1 + 220 + 0 + 1 + 2 + 220 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20380809569121 + 1631390553081 = 4514511^2 + 1277259^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62159049 + ... + 62512172.

Almost surely, 2^{22012200122202} is an apocalyptic number.

22012200122202 is an abundant number, since it is smaller than the sum of its proper divisors (28573896231630).

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

22012200122202 is a wasteful number, since it uses less digits than its factorization.

22012200122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124671823 (or 124671820 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22012200122202 its reverse (20222100221022), we get a palindrome (42234300343224).

The spelling of 22012200122202 in words is "twenty-two trillion, twelve billion, two hundred million, one hundred twenty-two thousand, two hundred two".