225660233 has 4 divisors (see below), whose sum is σ = 225719040. Its totient is φ = 225601428.

The previous prime is 225660203. The next prime is 225660241. The reversal of 225660233 is 332066522.

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 225660233 - 2⁸ = 225659977 is a prime.

It is a super-2 number, since 2×225660233² = 101845081515228578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225660196 and 225660205.

It is not an unprimeable number, because it can be changed into a prime (225660203) 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, 23213 + ... + 31466.

It is an arithmetic number, because the mean of its divisors is an integer number (56429760).

Almost surely, 2^225660233 is an apocalyptic number.

It is an amenable number.

225660233 is a deficient number, since it is larger than the sum of its proper divisors (58807).

225660233 is an equidigital number, since it uses as much as digits as its factorization.

225660233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58806.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 225660233 is about 15021.9916455842. The cubic root of 225660233 is about 608.8145327486.

The spelling of 225660233 in words is "two hundred twenty-five million, six hundred sixty thousand, two hundred thirty-three".