113422439 has 4 divisors (see below), whose sum is σ = 122147256. Its totient is φ = 104697624.

The previous prime is 113422403. The next prime is 113422489. The reversal of 113422439 is 934224311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934224311 = 47 ⋅19877113.

It is a cyclic number.

It is not a de Polignac number, because 113422439 - 2²⁴ = 96645223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113422489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4362389 + ... + 4362414.

It is an arithmetic number, because the mean of its divisors is an integer number (30536814).

Almost surely, 2^113422439 is an apocalyptic number.

113422439 is a deficient number, since it is larger than the sum of its proper divisors (8724817).

113422439 is an equidigital number, since it uses as much as digits as its factorization.

113422439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724816.

The product of its digits is 5184, while the sum is 29.

The square root of 113422439 is about 10649.9971361498. The cubic root of 113422439 is about 484.0605173856.

The spelling of 113422439 in words is "one hundred thirteen million, four hundred twenty-two thousand, four hundred thirty-nine".