225266571 has 6 divisors (see below), whose sum is σ = 325385060. Its totient is φ = 150177708.

The previous prime is 225266567. The next prime is 225266579. The reversal of 225266571 is 175662522.

225266571 is a `hidden beast` number, since 2 + 2 + 526 + 65 + 71 = 666.

It is not a de Polignac number, because 225266571 - 2² = 225266567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225266579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12514801 + ... + 12514818.

Almost surely, 2^225266571 is an apocalyptic number.

225266571 is a deficient number, since it is larger than the sum of its proper divisors (100118489).

225266571 is a wasteful number, since it uses less digits than its factorization.

225266571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029625 (or 25029622 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 225266571 is about 15008.8830697024. The cubic root of 225266571 is about 608.4603030818.

The spelling of 225266571 in words is "two hundred twenty-five million, two hundred sixty-six thousand, five hundred seventy-one".