113637922 has 4 divisors (see below), whose sum is σ = 170456886. Its totient is φ = 56818960.

The previous prime is 113637899. The next prime is 113637929. The reversal of 113637922 is 229736311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229736311 = 7 ⋅32819473.

It can be written as a sum of positive squares in only one way, i.e., 109181601 + 4456321 = 10449^2 + 2111^2 .

It is not an unprimeable number, because it can be changed into a prime (113637929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28409479 + ... + 28409482.

Almost surely, 2^113637922 is an apocalyptic number.

113637922 is a deficient number, since it is larger than the sum of its proper divisors (56818964).

113637922 is an equidigital number, since it uses as much as digits as its factorization.

113637922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56818963.

The product of its digits is 13608, while the sum is 34.

The square root of 113637922 is about 10660.1089112635. The cubic root of 113637922 is about 484.3668671933.

The spelling of 113637922 in words is "one hundred thirteen million, six hundred thirty-seven thousand, nine hundred twenty-two".