225867258 has 32 divisors (see below), whose sum is σ = 506812800. Its totient is φ = 74556288.

The previous prime is 225867233. The next prime is 225867311. The reversal of 225867258 is 852768522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14743 + ... + 25866.

It is an arithmetic number, because the mean of its divisors is an integer number (15837900).

Almost surely, 2^225867258 is an apocalyptic number.

225867258 is an abundant number, since it is smaller than the sum of its proper divisors (280945542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225867258 is a wasteful number, since it uses less digits than its factorization.

225867258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40723 (or 40717 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 225867258 is about 15028.8807966528. The cubic root of 225867258 is about 609.0006551960. Note that the first 3 decimals are identical.

The spelling of 225867258 in words is "two hundred twenty-five million, eight hundred sixty-seven thousand, two hundred fifty-eight".