113226444 has 96 divisors (see below), whose sum is σ = 303367680. Its totient is φ = 36504000.

The previous prime is 113226413. The next prime is 113226479. The reversal of 113226444 is 444622311.

It is a happy number.

113226444 is a `hidden beast` number, since 1 + 13 + 2 + 2 + 644 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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 31 ways as a sum of consecutive naturals, for example, 749769 + ... + 749919.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^113226444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113226444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151683840).

113226444 is an abundant number, since it is smaller than the sum of its proper divisors (190141236).

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

113226444 is a wasteful number, since it uses less digits than its factorization.

113226444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 340 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 113226444 is about 10640.7915119130. The cubic root of 113226444 is about 483.7815363131.

Adding to 113226444 its reverse (444622311), we get a palindrome (557848755).

It can be divided in two parts, 11322 and 6444, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 113226444 in words is "one hundred thirteen million, two hundred twenty-six thousand, four hundred forty-four".