225624270233 has 4 divisors (see below), whose sum is σ = 228802076928. Its totient is φ = 222446463540.

The previous prime is 225624270227. The next prime is 225624270253. The reversal of 225624270233 is 332072426522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225624270233 - 2⁶ = 225624270169 is a prime.

It is a super-2 number, since 2×225624270233² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225624270253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588903241 + ... + 1588903382.

It is an arithmetic number, because the mean of its divisors is an integer number (57200519232).

Almost surely, 2^225624270233 is an apocalyptic number.

It is an amenable number.

225624270233 is a deficient number, since it is larger than the sum of its proper divisors (3177806695).

225624270233 is an equidigital number, since it uses as much as digits as its factorization.

225624270233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177806694.

The product of its (nonzero) digits is 241920, while the sum is 38.

Adding to 225624270233 its reverse (332072426522), we get a palindrome (557696696755).

The spelling of 225624270233 in words is "two hundred twenty-five billion, six hundred twenty-four million, two hundred seventy thousand, two hundred thirty-three".