225305574 has 32 divisors (see below), whose sum is σ = 493239264. Its totient is φ = 68186880.

The previous prime is 225305567. The next prime is 225305579. The reversal of 225305574 is 475503522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225305579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18919 + ... + 28434.

It is an arithmetic number, because the mean of its divisors is an integer number (15413727).

Almost surely, 2^225305574 is an apocalyptic number.

225305574 is an abundant number, since it is smaller than the sum of its proper divisors (267933690).

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

225305574 is a wasteful number, since it uses less digits than its factorization.

225305574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47432.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 225305574 is about 15010.1823439957. The cubic root of 225305574 is about 608.4954176390.

The spelling of 225305574 in words is "two hundred twenty-five million, three hundred five thousand, five hundred seventy-four".