113225400 has 72 divisors (see below), whose sum is σ = 380254680. Its totient is φ = 30192960.

The previous prime is 113225393. The next prime is 113225401. The reversal of 113225400 is 4522311.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113225401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29652 + ... + 33251.

It is an arithmetic number, because the mean of its divisors is an integer number (5281315).

Almost surely, 2^113225400 is an apocalyptic number.

113225400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113225400 is an abundant number, since it is smaller than the sum of its proper divisors (267029280).

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

113225400 is a wasteful number, since it uses less digits than its factorization.

113225400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62925 (or 62913 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 113225400 is about 10640.7424552989. The cubic root of 113225400 is about 483.7800494123.

Adding to 113225400 its reverse (4522311), we get a palindrome (117747711).

The spelling of 113225400 in words is "one hundred thirteen million, two hundred twenty-five thousand, four hundred".