113213222 has 16 divisors (see below), whose sum is σ = 177521760. Its totient is φ = 54048192.

The previous prime is 113213207. The next prime is 113213227. The reversal of 113213222 is 222312311.

It is a self number, because there is not a number n which added to its sum of digits gives 113213222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28154 + ... + 31922.

It is an arithmetic number, because the mean of its divisors is an integer number (11095110).

Almost surely, 2^113213222 is an apocalyptic number.

113213222 is a deficient number, since it is larger than the sum of its proper divisors (64308538).

113213222 is a wasteful number, since it uses less digits than its factorization.

113213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447.

The product of its digits is 144, while the sum is 17.

The square root of 113213222 is about 10640.1702054056. The cubic root of 113213222 is about 483.7627044094.

Adding to 113213222 its reverse (222312311), we get a palindrome (335525533).

The spelling of 113213222 in words is "one hundred thirteen million, two hundred thirteen thousand, two hundred twenty-two".