1222358852 has 24 divisors (see below), whose sum is σ = 2513102592. Its totient is φ = 512877600.

The previous prime is 1222358833. The next prime is 1222358881. The reversal of 1222358852 is 2588532221.

It is a super-2 number, since 2×1222358852² = 2988322326125515808, which contains 22 as substring.

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, 1067924 + ... + 1069067.

It is an arithmetic number, because the mean of its divisors is an integer number (104712608).

Almost surely, 2^1222358852 is an apocalyptic number.

It is an amenable number.

1222358852 is an abundant number, since it is smaller than the sum of its proper divisors (1290743740).

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

1222358852 is a wasteful number, since it uses less digits than its factorization.

1222358852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137019 (or 2137017 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 1222358852 is about 34962.2489551230. The cubic root of 1222358852 is about 1069.2179489417.

The spelling of 1222358852 in words is "one billion, two hundred twenty-two million, three hundred fifty-eight thousand, eight hundred fifty-two".