225183466225 has 9 divisors (see below), whose sum is σ = 279230440267. Its totient is φ = 180144874840.

The previous prime is 225183466093. The next prime is 225183466237. The reversal of 225183466225 is 522664381522.

The square root of 225183466225 is 474535.

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

It can be written as a sum of positive squares in only one way, i.e., 81066047841 + 144117418384 = 284721^2 + 379628^2 .

It is not a de Polignac number, because 225183466225 - 2²⁵ = 225149911793 is a prime.

It is a super-2 number, since 2×225183466225² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2325222 + ... + 2420128.

Almost surely, 2^225183466225 is an apocalyptic number.

225183466225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225183466225 is the 474535-th square number.

225183466225 is the 237268-th centered octagonal number.

It is an amenable number.

225183466225 is a deficient number, since it is larger than the sum of its proper divisors (54046974042).

225183466225 is an frugal number, since it uses more digits than its factorization.

225183466225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189824 (or 94912 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 225183466225 in words is "two hundred twenty-five billion, one hundred eighty-three million, four hundred sixty-six thousand, two hundred twenty-five".