22222020222122 has 12 divisors (see below), whose sum is σ = 38775157734690. Its totient is φ = 9523722952296.

The previous prime is 22222020222121. The next prime is 22222020222133. The reversal of 22222020222122 is 22122202022222.

It can be written as a sum of positive squares in only one way, i.e., 22009693719601 + 212326502521 = 4691449^2 + 460789^2 .

It is not an unprimeable number, because it can be changed into a prime (22222020222121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113377654097 + ... + 113377654292.

Almost surely, 2^{22222020222122} is an apocalyptic number.

22222020222122 is a deficient number, since it is larger than the sum of its proper divisors (16553137512568).

22222020222122 is a wasteful number, since it uses less digits than its factorization.

22222020222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226755308405 (or 226755308398 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22222020222122 its reverse (22122202022222), we get a palindrome (44344222244344).

The spelling of 22222020222122 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred twenty-two".