97915722 has 8 divisors (see below), whose sum is σ = 195831456. Its totient is φ = 32638572.

The previous prime is 97915693. The next prime is 97915723. The reversal of 97915722 is 22751979.

It is a sphenic number, since it is the product of 3 distinct primes.

97915722 is an admirable number.

It is a super-2 number, since 2×97915722² = 19174977229562568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (97915723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8159638 + ... + 8159649.

It is an arithmetic number, because the mean of its divisors is an integer number (24478932).

Almost surely, 2^97915722 is an apocalyptic number.

97915722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97915722 is a wasteful number, since it uses less digits than its factorization.

97915722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16319292.

The product of its digits is 79380, while the sum is 42.

The square root of 97915722 is about 9895.2373392456. The cubic root of 97915722 is about 460.9114285980.

The spelling of 97915722 in words is "ninety-seven million, nine hundred fifteen thousand, seven hundred twenty-two".