225524741 has 4 divisors (see below), whose sum is σ = 242872812. Its totient is φ = 208176672.

The previous prime is 225524713. The next prime is 225524743. The reversal of 225524741 is 147425522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83795716 + 141729025 = 9154^2 + 11905^2 .

It is a cyclic number.

It is not a de Polignac number, because 225524741 - 2²² = 221330437 is a prime.

It is a super-2 number, since 2×225524741² = 101722817606234162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225524698 and 225524707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225524743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8674016 + ... + 8674041.

It is an arithmetic number, because the mean of its divisors is an integer number (60718203).

Almost surely, 2^225524741 is an apocalyptic number.

It is an amenable number.

225524741 is a deficient number, since it is larger than the sum of its proper divisors (17348071).

225524741 is a wasteful number, since it uses less digits than its factorization.

225524741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17348070.

The product of its digits is 22400, while the sum is 32.

The square root of 225524741 is about 15017.4811802779. The cubic root of 225524741 is about 608.6926592390.

The spelling of 225524741 in words is "two hundred twenty-five million, five hundred twenty-four thousand, seven hundred forty-one".