297629228 has 12 divisors (see below), whose sum is σ = 560916720. Its totient is φ = 137367312.

The previous prime is 297629219. The next prime is 297629257. The reversal of 297629228 is 822926792.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861768 + ... + 2861871.

It is an arithmetic number, because the mean of its divisors is an integer number (46743060).

Almost surely, 2^297629228 is an apocalyptic number.

It is an amenable number.

297629228 is a deficient number, since it is larger than the sum of its proper divisors (263287492).

297629228 is a wasteful number, since it uses less digits than its factorization.

297629228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723656 (or 5723654 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 297629228 is about 17251.9340365073. The cubic root of 297629228 is about 667.6648700834.

The spelling of 297629228 in words is "two hundred ninety-seven million, six hundred twenty-nine thousand, two hundred twenty-eight".