113220238 has 16 divisors (see below), whose sum is σ = 180411840. Its totient is φ = 53104896.

The previous prime is 113220223. The next prime is 113220241. The reversal of 113220238 is 832022311.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5323 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (11275740).

Almost surely, 2^113220238 is an apocalyptic number.

113220238 is a deficient number, since it is larger than the sum of its proper divisors (67191602).

113220238 is a wasteful number, since it uses less digits than its factorization.

113220238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10971.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 113220238 is about 10640.4998942719. The cubic root of 113220238 is about 483.7726973795.

Adding to 113220238 its reverse (832022311), we get a palindrome (945242549).

The spelling of 113220238 in words is "one hundred thirteen million, two hundred twenty thousand, two hundred thirty-eight".