97218274 has 16 divisors (see below), whose sum is σ = 155854368. Its totient is φ = 45320512.

The previous prime is 97218239. The next prime is 97218281. The reversal of 97218274 is 47281279.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9724 + ... + 16999.

It is an arithmetic number, because the mean of its divisors is an integer number (9740898).

Almost surely, 2^97218274 is an apocalyptic number.

97218274 is a deficient number, since it is larger than the sum of its proper divisors (58636094).

97218274 is a wasteful number, since it uses less digits than its factorization.

97218274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849.

The product of its digits is 56448, while the sum is 40.

The square root of 97218274 is about 9859.9327583914. The cubic root of 97218274 is about 459.8144714960.

The spelling of 97218274 in words is "ninety-seven million, two hundred eighteen thousand, two hundred seventy-four".