113222212 has 12 divisors (see below), whose sum is σ = 200101356. Its totient is φ = 56050400.

The previous prime is 113222203. The next prime is 113222237. The reversal of 113222212 is 212222311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106007616 + 7214596 = 10296^2 + 2686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139723 + ... + 140530.

It is an arithmetic number, because the mean of its divisors is an integer number (16675113).

Almost surely, 2^113222212 is an apocalyptic number.

It is an amenable number.

113222212 is a deficient number, since it is larger than the sum of its proper divisors (86879144).

113222212 is a wasteful number, since it uses less digits than its factorization.

113222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280358 (or 280356 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 113222212 is about 10640.5926526674. The cubic root of 113222212 is about 483.7755088962.

Adding to 113222212 its reverse (212222311), we get a palindrome (325444523).

Subtracting 113222212 from its reverse (212222311), we obtain a palindrome (99000099).

It can be divided in two parts, 11 and 3222212, that added together give a palindrome (3222223).

The spelling of 113222212 in words is "one hundred thirteen million, two hundred twenty-two thousand, two hundred twelve".