1322879904 has 48 divisors (see below), whose sum is σ = 3858402240. Its totient is φ = 440959680.

The previous prime is 1322879897. The next prime is 1322879911. The reversal of 1322879904 is 4099782231.

It is an interprime number because it is at equal distance from previous prime (1322879897) and next prime (1322879911).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1322879904² = 3500022480814098432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322879904.

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, 764692 + ... + 766419.

It is an arithmetic number, because the mean of its divisors is an integer number (80383380).

Almost surely, 2^1322879904 is an apocalyptic number.

It is an amenable number.

1322879904 is an abundant number, since it is smaller than the sum of its proper divisors (2535522336).

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

1322879904 is a wasteful number, since it uses less digits than its factorization.

1322879904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531130 (or 1531116 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1322879904 is about 36371.4160296241. The cubic root of 1322879904 is about 1097.7584944674.

The spelling of 1322879904 in words is "one billion, three hundred twenty-two million, eight hundred seventy-nine thousand, nine hundred four".