225313222 has 4 divisors (see below), whose sum is σ = 337969836. Its totient is φ = 112656610.

The previous prime is 225313219. The next prime is 225313237. The reversal of 225313222 is 222313522.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 225313193 and 225313202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56328304 + ... + 56328307.

It is an arithmetic number, because the mean of its divisors is an integer number (84492459).

Almost surely, 2^225313222 is an apocalyptic number.

225313222 is a deficient number, since it is larger than the sum of its proper divisors (112656614).

225313222 is a wasteful number, since it uses less digits than its factorization.

225313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112656613.

The product of its digits is 1440, while the sum is 22.

The square root of 225313222 is about 15010.4371022299. The cubic root of 225313222 is about 608.5023026888.

Adding to 225313222 its reverse (222313522), we get a palindrome (447626744).

The spelling of 225313222 in words is "two hundred twenty-five million, three hundred thirteen thousand, two hundred twenty-two".