225134657 has 10 divisors (see below), whose sum is σ = 247662690. Its totient is φ = 204654560.

The previous prime is 225134647. The next prime is 225134669. The reversal of 225134657 is 756431522.

It can be written as a sum of positive squares in only one way, i.e., 225120016 + 14641 = 15004^2 + 121^2 .

It is not a de Polignac number, because 225134657 - 2⁶ = 225134593 is a prime.

It is a super-2 number, since 2×225134657² = 101371227565015298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225134647) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6953 + ... + 22329.

It is an arithmetic number, because the mean of its divisors is an integer number (24766269).

Almost surely, 2^225134657 is an apocalyptic number.

It is an amenable number.

225134657 is a deficient number, since it is larger than the sum of its proper divisors (22528033).

225134657 is an frugal number, since it uses more digits than its factorization.

225134657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421 (or 15388 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 225134657 is about 15004.4878952932. The cubic root of 225134657 is about 608.3415103340.

The spelling of 225134657 in words is "two hundred twenty-five million, one hundred thirty-four thousand, six hundred fifty-seven".