22122110228 has 12 divisors (see below), whose sum is σ = 38828572692. Its totient is φ = 11028232320.

The previous prime is 22122110221. The next prime is 22122110233. The reversal of 22122110228 is 82201122122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2697555844 + 19424554384 = 51938^2 + 139372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122110221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8204183 + ... + 8206878.

It is an arithmetic number, because the mean of its divisors is an integer number (3235714391).

Almost surely, 2^22122110228 is an apocalyptic number.

It is an amenable number.

22122110228 is a deficient number, since it is larger than the sum of its proper divisors (16706462464).

22122110228 is a wasteful number, since it uses less digits than its factorization.

22122110228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16411402 (or 16411400 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 22122110228 in words is "twenty-two billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-eight".