22122122021022 has 16 divisors (see below), whose sum is σ = 44245044161280. Its totient is φ = 7373907320472.

The previous prime is 22122122021017. The next prime is 22122122021033. The reversal of 22122122021022 is 22012022122122.

It is a self number, because there is not a number n which added to its sum of digits gives 22122122021022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32978572 + ... + 33642687.

It is an arithmetic number, because the mean of its divisors is an integer number (2765315260080).

Almost surely, 2^{22122122021022} is an apocalyptic number.

22122122021022 is an abundant number, since it is smaller than the sum of its proper divisors (22122922140258).

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

22122122021022 is a wasteful number, since it uses less digits than its factorization.

22122122021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66676607.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22122122021022 its reverse (22012022122122), we get a palindrome (44134144143144).

The spelling of 22122122021022 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, twenty-two".