225213354 has 12 divisors (see below), whose sum is σ = 487962306. Its totient is φ = 75071112.

The previous prime is 225213319. The next prime is 225213379. The reversal of 225213354 is 453312522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 205205625 + 20007729 = 14325^2 + 4473^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6255909 + ... + 6255944.

Almost surely, 2^225213354 is an apocalyptic number.

225213354 is an abundant number, since it is smaller than the sum of its proper divisors (262748952).

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

225213354 is a wasteful number, since it uses less digits than its factorization.

225213354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511861 (or 12511858 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 225213354 is about 15007.1101148755. The cubic root of 225213354 is about 608.4123850648.

Adding to 225213354 its reverse (453312522), we get a palindrome (678525876).

The spelling of 225213354 in words is "two hundred twenty-five million, two hundred thirteen thousand, three hundred fifty-four".