225857258 has 48 divisors (see below), whose sum is σ = 392221440. Its totient is φ = 96624000.

The previous prime is 225857243. The next prime is 225857273. The reversal of 225857258 is 852758522.

It is an interprime number because it is at equal distance from previous prime (225857243) and next prime (225857273).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2537678 + ... + 2537766.

It is an arithmetic number, because the mean of its divisors is an integer number (8171280).

Almost surely, 2^225857258 is an apocalyptic number.

225857258 is a deficient number, since it is larger than the sum of its proper divisors (166364182).

225857258 is a wasteful number, since it uses less digits than its factorization.

225857258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 194 counting only the distinct ones).

The product of its digits is 448000, while the sum is 44.

The square root of 225857258 is about 15028.5481001992. The cubic root of 225857258 is about 608.9916674739.

The spelling of 225857258 in words is "two hundred twenty-five million, eight hundred fifty-seven thousand, two hundred fifty-eight".