2236122113 has 4 divisors (see below), whose sum is σ = 2238886980. Its totient is φ = 2233357248.

The previous prime is 2236122107. The next prime is 2236122127. The reversal of 2236122113 is 3112216322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1602240784 + 633881329 = 40028^2 + 25177^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236122113 - 2¹⁰ = 2236121089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2236122143) 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, 1381220 + ... + 1382837.

It is an arithmetic number, because the mean of its divisors is an integer number (559721745).

Almost surely, 2^2236122113 is an apocalyptic number.

It is an amenable number.

2236122113 is a deficient number, since it is larger than the sum of its proper divisors (2764867).

2236122113 is an equidigital number, since it uses as much as digits as its factorization.

2236122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764866.

The product of its digits is 864, while the sum is 23.

The square root of 2236122113 is about 47287.6528599168. The cubic root of 2236122113 is about 1307.6710388042.

Adding to 2236122113 its reverse (3112216322), we get a palindrome (5348338435).

The spelling of 2236122113 in words is "two billion, two hundred thirty-six million, one hundred twenty-two thousand, one hundred thirteen".