97664022 has 32 divisors (see below), whose sum is σ = 217382400. Its totient is φ = 32502024.

The previous prime is 97663961. The next prime is 97664027. The reversal of 97664022 is 22046679.

It is a happy number.

97664022 is a `hidden beast` number, since 9 + 7 + 6 + 640 + 2 + 2 = 666.

It is a super-2 number, since 2×97664022² = 19076522386432968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97664027) 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 15 ways as a sum of consecutive naturals, for example, 46879 + ... + 48917.

It is an arithmetic number, because the mean of its divisors is an integer number (6793200).

Almost surely, 2^97664022 is an apocalyptic number.

97664022 is an abundant number, since it is smaller than the sum of its proper divisors (119718378).

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

97664022 is a wasteful number, since it uses less digits than its factorization.

97664022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 97664022 is about 9882.5109157542. The cubic root of 97664022 is about 460.5161534509.

The spelling of 97664022 in words is "ninety-seven million, six hundred sixty-four thousand, twenty-two".