1222295164 has 12 divisors (see below), whose sum is σ = 2232017424. Its totient is φ = 584575904.

The previous prime is 1222295159. The next prime is 1222295177. The reversal of 1222295164 is 4615922221.

It is a happy number.

It is a congruent number.

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, 6642817 + ... + 6643000.

It is an arithmetic number, because the mean of its divisors is an integer number (186001452).

Almost surely, 2^1222295164 is an apocalyptic number.

It is an amenable number.

1222295164 is a deficient number, since it is larger than the sum of its proper divisors (1009722260).

1222295164 is a wasteful number, since it uses less digits than its factorization.

1222295164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13285844 (or 13285842 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 1222295164 is about 34961.3381322855. The cubic root of 1222295164 is about 1069.1993789624.

The spelling of 1222295164 in words is "one billion, two hundred twenty-two million, two hundred ninety-five thousand, one hundred sixty-four".