225224331 has 8 divisors (see below), whose sum is σ = 309986304. Its totient is φ = 145305960.

The previous prime is 225224323. The next prime is 225224333. The reversal of 225224331 is 133422522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225224331 - 2³ = 225224323 is a prime.

It is a super-2 number, since 2×225224331² = 101451998548795122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225224333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210791 + ... + 1210976.

It is an arithmetic number, because the mean of its divisors is an integer number (38748288).

Almost surely, 2^225224331 is an apocalyptic number.

225224331 is a deficient number, since it is larger than the sum of its proper divisors (84761973).

225224331 is a wasteful number, since it uses less digits than its factorization.

225224331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421801.

The product of its digits is 2880, while the sum is 24.

The square root of 225224331 is about 15007.4758370620. The cubic root of 225224331 is about 608.4222696685.

Adding to 225224331 its reverse (133422522), we get a palindrome (358646853).

The spelling of 225224331 in words is "two hundred twenty-five million, two hundred twenty-four thousand, three hundred thirty-one".