225331033 has 4 divisors (see below), whose sum is σ = 232599808. Its totient is φ = 218062260.

The previous prime is 225331031. The next prime is 225331079. The reversal of 225331033 is 330133522.

It is a happy number.

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 225331033 - 2¹ = 225331031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225330995 and 225331013.

It is not an unprimeable number, because it can be changed into a prime (225331031) 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, 3634341 + ... + 3634402.

It is an arithmetic number, because the mean of its divisors is an integer number (58149952).

Almost surely, 2^225331033 is an apocalyptic number.

It is an amenable number.

225331033 is a deficient number, since it is larger than the sum of its proper divisors (7268775).

225331033 is an equidigital number, since it uses as much as digits as its factorization.

225331033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268774.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 225331033 is about 15011.0303776923. The cubic root of 225331033 is about 608.5183362928.

Adding to 225331033 its reverse (330133522), we get a palindrome (555464555).

The spelling of 225331033 in words is "two hundred twenty-five million, three hundred thirty-one thousand, thirty-three".