97270218 has 12 divisors (see below), whose sum is σ = 210752178. Its totient is φ = 32423400.

The previous prime is 97270207. The next prime is 97270241. The reversal of 97270218 is 81207279.

It can be written as a sum of positive squares in only one way, i.e., 69105969 + 28164249 = 8313^2 + 5307^2 .

It is a super-2 number, since 2×97270218² = 18922990619535048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2701933 + ... + 2701968.

Almost surely, 2^97270218 is an apocalyptic number.

97270218 is an abundant number, since it is smaller than the sum of its proper divisors (113481960).

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

97270218 is a wasteful number, since it uses less digits than its factorization.

97270218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403909 (or 5403906 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 97270218 is about 9862.5665016769. The cubic root of 97270218 is about 459.8963503078.

The spelling of 97270218 in words is "ninety-seven million, two hundred seventy thousand, two hundred eighteen".