225429233 has 4 divisors (see below), whose sum is σ = 235230528. Its totient is φ = 215627940.

The previous prime is 225429157. The next prime is 225429247. The reversal of 225429233 is 332924522.

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 225429233 - 2²⁰ = 224380657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225429233.

It is not an unprimeable number, because it can be changed into a prime (225429133) 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, 4900613 + ... + 4900658.

It is an arithmetic number, because the mean of its divisors is an integer number (58807632).

Almost surely, 2^225429233 is an apocalyptic number.

225429233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

225429233 is a deficient number, since it is larger than the sum of its proper divisors (9801295).

225429233 is an equidigital number, since it uses as much as digits as its factorization.

225429233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801294.

The product of its digits is 25920, while the sum is 32.

The square root of 225429233 is about 15014.3009494282. The cubic root of 225429233 is about 608.6067215473.

The spelling of 225429233 in words is "two hundred twenty-five million, four hundred twenty-nine thousand, two hundred thirty-three".