225829571 has 18 divisors (see below), whose sum is σ = 258850452. Its totient is φ = 195376720.

The previous prime is 225829561. The next prime is 225829601. The reversal of 225829571 is 175928522.

It is not a de Polignac number, because 225829571 - 2¹⁸ = 225567427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225829511) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1146245 + ... + 1146441.

Almost surely, 2^225829571 is an apocalyptic number.

225829571 is a deficient number, since it is larger than the sum of its proper divisors (33020881).

225829571 is an equidigital number, since it uses as much as digits as its factorization.

225829571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 231 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 225829571 is about 15027.6269251003. The cubic root of 225829571 is about 608.9667817836.

The spelling of 225829571 in words is "two hundred twenty-five million, eight hundred twenty-nine thousand, five hundred seventy-one".