1322538057 has 32 divisors (see below), whose sum is σ = 2013897600. Its totient is φ = 857316096.

The previous prime is 1322538043. The next prime is 1322538109. The reversal of 1322538057 is 7508352231.

It is a happy number.

1322538057 is a `hidden beast` number, since 1 + 3 + 225 + 380 + 57 = 666.

It is not a de Polignac number, because 1322538057 - 2²⁸ = 1054102601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322538257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268069 + ... + 272957.

It is an arithmetic number, because the mean of its divisors is an integer number (62934300).

Almost surely, 2^1322538057 is an apocalyptic number.

It is an amenable number.

1322538057 is a deficient number, since it is larger than the sum of its proper divisors (691359543).

1322538057 is a wasteful number, since it uses less digits than its factorization.

1322538057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1322538057 is about 36366.7163351326. The cubic root of 1322538057 is about 1097.6639286202.

The spelling of 1322538057 in words is "one billion, three hundred twenty-two million, five hundred thirty-eight thousand, fifty-seven".