97223616 has 84 divisors (see below), whose sum is σ = 318497712. Its totient is φ = 27777024.

The previous prime is 97223611. The next prime is 97223699. The reversal of 97223616 is 61632279.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97223611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8025 + ... + 16088.

Almost surely, 2^97223616 is an apocalyptic number.

97223616 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97223616 is an abundant number, since it is smaller than the sum of its proper divisors (221274096).

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

97223616 is a wasteful number, since it uses less digits than its factorization.

97223616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138 (or 24125 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 97223616 is about 9860.2036490125. The cubic root of 97223616 is about 459.8228933829.

The spelling of 97223616 in words is "ninety-seven million, two hundred twenty-three thousand, six hundred sixteen".