113224638 has 16 divisors (see below), whose sum is σ = 227070720. Its totient is φ = 37637976.

The previous prime is 113224637. The next prime is 113224681. The reversal of 113224638 is 836422311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113224637) 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, 23508 + ... + 27911.

It is an arithmetic number, because the mean of its divisors is an integer number (14191920).

Almost surely, 2^113224638 is an apocalyptic number.

113224638 is an abundant number, since it is smaller than the sum of its proper divisors (113846082).

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

113224638 is a wasteful number, since it uses less digits than its factorization.

113224638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51791.

The product of its digits is 6912, while the sum is 30.

The square root of 113224638 is about 10640.7066494665. The cubic root of 113224638 is about 483.7789641399.

Adding to 113224638 its reverse (836422311), we get a palindrome (949646949).

The spelling of 113224638 in words is "one hundred thirteen million, two hundred twenty-four thousand, six hundred thirty-eight".