225782558 has 4 divisors (see below), whose sum is σ = 338673840. Its totient is φ = 112891278.

The previous prime is 225782507. The next prime is 225782569. The reversal of 225782558 is 855287522.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56445638 + ... + 56445641.

It is an arithmetic number, because the mean of its divisors is an integer number (84668460).

Almost surely, 2^225782558 is an apocalyptic number.

225782558 is a deficient number, since it is larger than the sum of its proper divisors (112891282).

225782558 is a wasteful number, since it uses less digits than its factorization.

225782558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112891281.

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

The square root of 225782558 is about 15026.0626246532. The cubic root of 225782558 is about 608.9245207958.

The spelling of 225782558 in words is "two hundred twenty-five million, seven hundred eighty-two thousand, five hundred fifty-eight".