297228225 has 24 divisors (see below), whose sum is σ = 561620800. Its totient is φ = 135875520.

The previous prime is 297228209. The next prime is 297228259. The reversal of 297228225 is 522822792.

It is a happy number.

It is not a de Polignac number, because 297228225 - 2⁴ = 297228209 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282550 + ... + 283599.

Almost surely, 2^297228225 is an apocalyptic number.

297228225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

297228225 is a deficient number, since it is larger than the sum of its proper divisors (264392575).

297228225 is a wasteful number, since it uses less digits than its factorization.

297228225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566169 (or 566164 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 297228225 is about 17240.3081468981. The cubic root of 297228225 is about 667.3648816828.

The spelling of 297228225 in words is "two hundred ninety-seven million, two hundred twenty-eight thousand, two hundred twenty-five".