22021562636022 has 32 divisors (see below), whose sum is σ = 44651144378880. Its totient is φ = 7239394824480.

The previous prime is 22021562635973. The next prime is 22021562636023. The reversal of 22021562636022 is 22063626512022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021562636023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25888929 + ... + 26726012.

It is an arithmetic number, because the mean of its divisors is an integer number (1395348261840).

Almost surely, 2^{22021562636022} is an apocalyptic number.

22021562636022 is an abundant number, since it is smaller than the sum of its proper divisors (22629581742858).

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

22021562636022 is a wasteful number, since it uses less digits than its factorization.

22021562636022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52615908.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 22021562636022 in words is "twenty-two trillion, twenty-one billion, five hundred sixty-two million, six hundred thirty-six thousand, twenty-two".