22212144120402 has 24 divisors (see below), whose sum is σ = 48128032333836. Its totient is φ = 7403783413536.

The previous prime is 22212144120391. The next prime is 22212144120461. The reversal of 22212144120402 is 20402144121222.

22212144120402 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 214 + 41 + 2 + 0 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14913506963601 + 7298637156801 = 3861801^2 + 2701599^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21534273 + ... + 22542164.

Almost surely, 2^{22212144120402} is an apocalyptic number.

22212144120402 is an abundant number, since it is smaller than the sum of its proper divisors (25915888213434).

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

22212144120402 is a wasteful number, since it uses less digits than its factorization.

22212144120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44104442 (or 44104439 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 22212144120402 its reverse (20402144121222), we get a palindrome (42614288241624).

The spelling of 22212144120402 in words is "twenty-two trillion, two hundred twelve billion, one hundred forty-four million, one hundred twenty thousand, four hundred two".