22100012222202 has 24 divisors (see below), whose sum is σ = 47927009228436. Its totient is φ = 7359955446336.

The previous prime is 22100012222177. The next prime is 22100012222203. The reversal of 22100012222202 is 20222221000122.

22100012222202 is a `hidden beast` number, since 221 + 0 + 0 + 0 + 1 + 222 + 220 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20471272181361 + 1628740040841 = 4524519^2 + 1276221^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22100012222203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559587573 + ... + 559627064.

Almost surely, 2^{22100012222202} is an apocalyptic number.

22100012222202 is an abundant number, since it is smaller than the sum of its proper divisors (25826997006234).

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

22100012222202 is a wasteful number, since it uses less digits than its factorization.

22100012222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119215742 (or 1119215739 counting only the distinct ones).

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

Adding to 22100012222202 its reverse (20222221000122), we get a palindrome (42322233222324).

The spelling of 22100012222202 in words is "twenty-two trillion, one hundred billion, twelve million, two hundred twenty-two thousand, two hundred two".