22302240013 has 4 divisors (see below), whose sum is σ = 22310843548. Its totient is φ = 22293636480.

The previous prime is 22302239989. The next prime is 22302240083. The reversal of 22302240013 is 31004220322.

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 15754517289 + 6547722724 = 125517^2 + 80918^2 .

It is a cyclic number.

It is not a de Polignac number, because 22302240013 - 2²⁵ = 22268685581 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 (22302240083) 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, 4297878 + ... + 4303063.

It is an arithmetic number, because the mean of its divisors is an integer number (5577710887).

Almost surely, 2^22302240013 is an apocalyptic number.

It is an amenable number.

22302240013 is a deficient number, since it is larger than the sum of its proper divisors (8603535).

22302240013 is an equidigital number, since it uses as much as digits as its factorization.

22302240013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603534.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22302240013 its reverse (31004220322), we get a palindrome (53306460335).

The spelling of 22302240013 in words is "twenty-two billion, three hundred two million, two hundred forty thousand, thirteen".