1322505868 has 12 divisors (see below), whose sum is σ = 2436195160. Its totient is φ = 626450112.

The previous prime is 1322505851. The next prime is 1322505883. The reversal of 1322505868 is 8685052231.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1322505868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8700621 + ... + 8700772.

Almost surely, 2^1322505868 is an apocalyptic number.

It is an amenable number.

1322505868 is a deficient number, since it is larger than the sum of its proper divisors (1113689292).

1322505868 is a wasteful number, since it uses less digits than its factorization.

1322505868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17401416 (or 17401414 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1322505868 is about 36366.2737711743. The cubic root of 1322505868 is about 1097.6550232707.

The spelling of 1322505868 in words is "one billion, three hundred twenty-two million, five hundred five thousand, eight hundred sixty-eight".