113022809 has 4 divisors (see below), whose sum is σ = 113093904. Its totient is φ = 112951716.

The previous prime is 113022797. The next prime is 113022821. The reversal of 113022809 is 908220311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (113022797) and next prime (113022821).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113022809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113022859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33107 + ... + 36360.

It is an arithmetic number, because the mean of its divisors is an integer number (28273476).

Almost surely, 2^113022809 is an apocalyptic number.

It is an amenable number.

113022809 is a deficient number, since it is larger than the sum of its proper divisors (71095).

113022809 is an equidigital number, since it uses as much as digits as its factorization.

113022809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71094.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 113022809 is about 10631.2186037161. The cubic root of 113022809 is about 483.4913391719.

The spelling of 113022809 in words is "one hundred thirteen million, twenty-two thousand, eight hundred nine".