113422440 has 64 divisors (see below), whose sum is σ = 340983360. Its totient is φ = 30182400.

The previous prime is 113422403. The next prime is 113422489. The reversal of 113422440 is 44224311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93840 + ... + 95040.

It is an arithmetic number, because the mean of its divisors is an integer number (5327865).

Almost surely, 2^113422440 is an apocalyptic number.

113422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113422440 is an abundant number, since it is smaller than the sum of its proper divisors (227560920).

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

113422440 is a wasteful number, since it uses less digits than its factorization.

113422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 113422440 is about 10649.9971830982. The cubic root of 113422440 is about 484.0605188082.

Adding to 113422440 its reverse (44224311), we get a palindrome (157646751).

The spelling of 113422440 in words is "one hundred thirteen million, four hundred twenty-two thousand, four hundred forty".