22122225122 has 24 divisors (see below), whose sum is σ = 35682599196. Its totient is φ = 10281214944.

The previous prime is 22122225089. The next prime is 22122225131. The reversal of 22122225122 is 22152222122.

It can be written as a sum of positive squares in 2 ways, for example, as 22070370721 + 51854401 = 148561^2 + 7201^2 .

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, 250793 + ... + 327324.

Almost surely, 2^22122225122 is an apocalyptic number.

22122225122 is a deficient number, since it is larger than the sum of its proper divisors (13560374074).

22122225122 is a wasteful number, since it uses less digits than its factorization.

22122225122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578210 (or 578191 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

Adding to 22122225122 its reverse (22152222122), we get a palindrome (44274447244).

The spelling of 22122225122 in words is "twenty-two billion, one hundred twenty-two million, two hundred twenty-five thousand, one hundred twenty-two".