1322799376 has 20 divisors (see below), whose sum is σ = 2713684572. Its totient is φ = 622493696.

The previous prime is 1322799343. The next prime is 1322799383. The reversal of 1322799376 is 6739972231.

It can be written as a sum of positive squares in 2 ways, for example, as 1117163776 + 205635600 = 33424^2 + 14340^2 .

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, 2431345 + ... + 2431888.

Almost surely, 2^1322799376 is an apocalyptic number.

1322799376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1322799376 is an abundant number, since it is smaller than the sum of its proper divisors (1390885196).

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

1322799376 is a wasteful number, since it uses less digits than its factorization.

1322799376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863258 (or 4863252 counting only the distinct ones).

The product of its digits is 857304, while the sum is 49.

The square root of 1322799376 is about 36370.3089896140. The cubic root of 1322799376 is about 1097.7362193061.

The spelling of 1322799376 in words is "one billion, three hundred twenty-two million, seven hundred ninety-nine thousand, three hundred seventy-six".