113222112 has 48 divisors (see below), whose sum is σ = 297798480. Its totient is φ = 37665792.

The previous prime is 113222101. The next prime is 113222113. The reversal of 113222112 is 211222311.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 113222091 and 113222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69564 + ... + 71172.

It is an arithmetic number, because the mean of its divisors is an integer number (6204135).

Almost surely, 2^113222112 is an apocalyptic number.

113222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113222112 is an abundant number, since it is smaller than the sum of its proper divisors (184576368).

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

113222112 is a wasteful number, since it uses less digits than its factorization.

113222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2347 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 113222112 is about 10640.5879536800. The cubic root of 113222112 is about 483.7753664696.

Adding to 113222112 its reverse (211222311), we get a palindrome (324444423).

The spelling of 113222112 in words is "one hundred thirteen million, two hundred twenty-two thousand, one hundred twelve".