22403244202013 has 4 divisors (see below), whose sum is σ = 22949664792348. Its totient is φ = 21856823611680.

The previous prime is 22403244201991. The next prime is 22403244202061. The reversal of 22403244202013 is 31020244230422.

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 3296178229444 + 19107065972569 = 1815538^2 + 4371163^2 .

It is a cyclic number.

It is not a de Polignac number, because 22403244202013 - 2³⁴ = 22386064332829 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 (22403244802013) 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, 273210295106 + ... + 273210295187.

It is an arithmetic number, because the mean of its divisors is an integer number (5737416198087).

Almost surely, 2^{22403244202013} is an apocalyptic number.

It is an amenable number.

22403244202013 is a deficient number, since it is larger than the sum of its proper divisors (546420590335).

22403244202013 is an equidigital number, since it uses as much as digits as its factorization.

22403244202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546420590334.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22403244202013 its reverse (31020244230422), we get a palindrome (53423488432435).

The spelling of 22403244202013 in words is "twenty-two trillion, four hundred three billion, two hundred forty-four million, two hundred two thousand, thirteen".