297172268 has 6 divisors (see below), whose sum is σ = 520051476. Its totient is φ = 148586132.

The previous prime is 297172247. The next prime is 297172273. The reversal of 297172268 is 862271792.

It is a super-2 number, since 2×297172268² = 176622713736527648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37146530 + ... + 37146537.

It is an arithmetic number, because the mean of its divisors is an integer number (86675246).

Almost surely, 2^297172268 is an apocalyptic number.

It is an amenable number.

297172268 is a deficient number, since it is larger than the sum of its proper divisors (222879208).

297172268 is a wasteful number, since it uses less digits than its factorization.

297172268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74293071 (or 74293069 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 297172268 is about 17238.6852166863. The cubic root of 297172268 is about 667.3229990741.

The spelling of 297172268 in words is "two hundred ninety-seven million, one hundred seventy-two thousand, two hundred sixty-eight".