447657225 has 24 divisors (see below), whose sum is σ = 741029952. Its totient is φ = 238459200.

The previous prime is 447657193. The next prime is 447657247. The reversal of 447657225 is 522756744.

It is not a de Polignac number, because 447657225 - 2⁵ = 447657193 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, 67404 + ... + 73746.

It is an arithmetic number, because the mean of its divisors is an integer number (30876248).

Almost surely, 2^447657225 is an apocalyptic number.

It is an amenable number.

447657225 is a deficient number, since it is larger than the sum of its proper divisors (293372727).

447657225 is a wasteful number, since it uses less digits than its factorization.

447657225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297 (or 7292 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The square root of 447657225 is about 21157.9116408024. The cubic root of 447657225 is about 764.9772730230.

The spelling of 447657225 in words is "four hundred forty-seven million, six hundred fifty-seven thousand, two hundred twenty-five".