97157322 has 12 divisors (see below), whose sum is σ = 210507570. Its totient is φ = 32385768.

The previous prime is 97157311. The next prime is 97157341. The reversal of 97157322 is 22375179.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 24413481 = 8529^2 + 4941^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2698797 + ... + 2698832.

Almost surely, 2^97157322 is an apocalyptic number.

97157322 is an abundant number, since it is smaller than the sum of its proper divisors (113350248).

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

97157322 is a wasteful number, since it uses less digits than its factorization.

97157322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397637 (or 5397634 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 97157322 is about 9856.8413804829. The cubic root of 97157322 is about 459.7183562639.

It can be divided in two parts, 97157 and 322, that added together give a palindrome (97479).

The spelling of 97157322 in words is "ninety-seven million, one hundred fifty-seven thousand, three hundred twenty-two".