225309574 has 16 divisors (see below), whose sum is σ = 386535168. Its totient is φ = 96488712.

The previous prime is 225309569. The next prime is 225309599. The reversal of 225309574 is 475903522.

It is a super-2 number, since 2×225309574² = 101528808272122952, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16039 + ... + 26605.

It is an arithmetic number, because the mean of its divisors is an integer number (24158448).

Almost surely, 2^225309574 is an apocalyptic number.

225309574 is a deficient number, since it is larger than the sum of its proper divisors (161225594).

225309574 is a wasteful number, since it uses less digits than its factorization.

225309574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 225309574 is about 15010.3155862893. The cubic root of 225309574 is about 608.4990186259.

The spelling of 225309574 in words is "two hundred twenty-five million, three hundred nine thousand, five hundred seventy-four".