229282957225 has 27 divisors (see below), whose sum is σ = 330753143781. Its totient is φ = 157211107200.

The previous prime is 229282957213. The next prime is 229282957229. The reversal of 229282957225 is 522759282922.

The square root of 229282957225 is 478835.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 32548128921 + 196734828304 = 180411^2 + 443548^2 .

It is not a de Polignac number, because 229282957225 - 2²⁹ = 228746086313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229282957229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16752385 + ... + 16766065.

Almost surely, 2^229282957225 is an apocalyptic number.

229282957225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

229282957225 is the 478835-th square number.

229282957225 is the 239418-th centered octagonal number.

It is an amenable number.

229282957225 is a deficient number, since it is larger than the sum of its proper divisors (101470186556).

229282957225 is an frugal number, since it uses more digits than its factorization.

229282957225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27386 (or 13693 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 229282957225 in words is "two hundred twenty-nine billion, two hundred eighty-two million, nine hundred fifty-seven thousand, two hundred twenty-five".