225537470 has 16 divisors (see below), whose sum is σ = 429848208. Its totient is φ = 84908160.

The previous prime is 225537461. The next prime is 225537497. The reversal of 225537470 is 74735522.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225537470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663176 + ... + 663515.

It is an arithmetic number, because the mean of its divisors is an integer number (26865513).

Almost surely, 2^225537470 is an apocalyptic number.

225537470 is a deficient number, since it is larger than the sum of its proper divisors (204310738).

225537470 is a wasteful number, since it uses less digits than its factorization.

225537470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326715.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 225537470 is about 15017.9049803892. The cubic root of 225537470 is about 608.7041109066.

The spelling of 225537470 in words is "two hundred twenty-five million, five hundred thirty-seven thousand, four hundred seventy".