225204533274 has 32 divisors (see below), whose sum is σ = 514782351360. Its totient is φ = 64340510832.

The previous prime is 225204533231. The next prime is 225204533299. The reversal of 225204533274 is 472335402522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648927 + ... + 933549.

It is an arithmetic number, because the mean of its divisors is an integer number (16086948480).

Almost surely, 2^225204533274 is an apocalyptic number.

225204533274 is an abundant number, since it is smaller than the sum of its proper divisors (289577818086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225204533274 is a wasteful number, since it uses less digits than its factorization.

225204533274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303474.

The product of its (nonzero) digits is 403200, while the sum is 39.

Adding to 225204533274 its reverse (472335402522), we get a palindrome (697539935796).

The spelling of 225204533274 in words is "two hundred twenty-five billion, two hundred four million, five hundred thirty-three thousand, two hundred seventy-four".