1322790172 has 12 divisors (see below), whose sum is σ = 2525326776. Its totient is φ = 601268240.

The previous prime is 1322790121. The next prime is 1322790223. The reversal of 1322790172 is 2710972231.

It is an interprime number because it is at equal distance from previous prime (1322790121) and next prime (1322790223).

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, 15031663 + ... + 15031750.

It is an arithmetic number, because the mean of its divisors is an integer number (210443898).

Almost surely, 2^1322790172 is an apocalyptic number.

It is an amenable number.

1322790172 is a deficient number, since it is larger than the sum of its proper divisors (1202536604).

1322790172 is a wasteful number, since it uses less digits than its factorization.

1322790172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30063428 (or 30063426 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1322790172 is about 36370.1824576122. The cubic root of 1322790172 is about 1097.7336732945.

The spelling of 1322790172 in words is "one billion, three hundred twenty-two million, seven hundred ninety thousand, one hundred seventy-two".