225510458 has 4 divisors (see below), whose sum is σ = 338265690. Its totient is φ = 112755228.

The previous prime is 225510421. The next prime is 225510463. The reversal of 225510458 is 854015522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854015522 = 2 ⋅427007761.

It can be written as a sum of positive squares in only one way, i.e., 225510289 + 169 = 15017^2 + 13^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56377613 + ... + 56377616.

Almost surely, 2^225510458 is an apocalyptic number.

225510458 is a deficient number, since it is larger than the sum of its proper divisors (112755232).

225510458 is a wasteful number, since it uses less digits than its factorization.

225510458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112755231.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 225510458 is about 15017.0056269551. The cubic root of 225510458 is about 608.6798089995.

The spelling of 225510458 in words is "two hundred twenty-five million, five hundred ten thousand, four hundred fifty-eight".