22113713 has 4 divisors (see below), whose sum is σ = 22125348. Its totient is φ = 22102080.

The previous prime is 22113703. The next prime is 22113727. The reversal of 22113713 is 31731122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11505664 + 10608049 = 3392^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113713 - 2⁴ = 22113697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113703) 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, 2228 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (5531337).

Almost surely, 2^22113713 is an apocalyptic number.

It is an amenable number.

22113713 is a deficient number, since it is larger than the sum of its proper divisors (11635).

22113713 is an equidigital number, since it uses as much as digits as its factorization.

22113713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11634.

The product of its digits is 252, while the sum is 20.

The square root of 22113713 is about 4702.5219829364. The cubic root of 22113713 is about 280.6858738185.

Adding to 22113713 its reverse (31731122), we get a palindrome (53844835).

The spelling of 22113713 in words is "twenty-two million, one hundred thirteen thousand, seven hundred thirteen".