1222218596 has 12 divisors (see below), whose sum is σ = 2140346880. Its totient is φ = 610690920.

The previous prime is 1222218581. The next prime is 1222218611. The reversal of 1222218596 is 6958122221.

It is an interprime number because it is at equal distance from previous prime (1222218581) and next prime (1222218611).

It is a super-2 number, since 2×1222218596² = 2987636592816422432, 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, 97976 + ... + 109743.

It is an arithmetic number, because the mean of its divisors is an integer number (178362240).

Almost surely, 2^1222218596 is an apocalyptic number.

It is an amenable number.

1222218596 is a deficient number, since it is larger than the sum of its proper divisors (918128284).

1222218596 is a wasteful number, since it uses less digits than its factorization.

1222218596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209194 (or 209192 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 1222218596 is about 34960.2430769581. The cubic root of 1222218596 is about 1069.1770526128.

The spelling of 1222218596 in words is "one billion, two hundred twenty-two million, two hundred eighteen thousand, five hundred ninety-six".