225333147 has 32 divisors (see below), whose sum is σ = 345038400. Its totient is φ = 129576960.

The previous prime is 225333107. The next prime is 225333169. The reversal of 225333147 is 741333522.

It is not a de Polignac number, because 225333147 - 2⁶ = 225333083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225333107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97647 + ... + 99927.

It is an arithmetic number, because the mean of its divisors is an integer number (10782450).

Almost surely, 2^225333147 is an apocalyptic number.

225333147 is a deficient number, since it is larger than the sum of its proper divisors (119705253).

225333147 is a wasteful number, since it uses less digits than its factorization.

225333147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its digits is 15120, while the sum is 30.

The square root of 225333147 is about 15011.1007924136. The cubic root of 225333147 is about 608.5202392764.

Adding to 225333147 its reverse (741333522), we get a palindrome (966666669).

The spelling of 225333147 in words is "two hundred twenty-five million, three hundred thirty-three thousand, one hundred forty-seven".