1222522412 has 12 divisors (see below), whose sum is σ = 2140173000. Its totient is φ = 611044416.

The previous prime is 1222522391. The next prime is 1222522507. The reversal of 1222522412 is 2142252221.

It is a super-2 number, since 2×1222522412² = 2989122095684595488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41162 + ... + 64337.

It is an arithmetic number, because the mean of its divisors is an integer number (178347750).

Almost surely, 2^1222522412 is an apocalyptic number.

It is an amenable number.

1222522412 is a deficient number, since it is larger than the sum of its proper divisors (917650588).

1222522412 is a wasteful number, since it uses less digits than its factorization.

1222522412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108400 (or 108398 counting only the distinct ones).

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

The square root of 1222522412 is about 34964.5879712603. The cubic root of 1222522412 is about 1069.2656363803.

Adding to 1222522412 its reverse (2142252221), we get a palindrome (3364774633).

The spelling of 1222522412 in words is "one billion, two hundred twenty-two million, five hundred twenty-two thousand, four hundred twelve".