22493638793 has 8 divisors (see below), whose sum is σ = 23270992200. Its totient is φ = 21716399488.

The previous prime is 22493638729. The next prime is 22493638799. The reversal of 22493638793 is 39783639422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2971122064 + 19522516729 = 54508^2 + 139723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22493638793 - 2⁶ = 22493638729 is a prime.

It is a super-2 number, since 2×22493638793² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22493638799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632555 + ... + 667167.

It is an arithmetic number, because the mean of its divisors is an integer number (2908874025).

Almost surely, 2^22493638793 is an apocalyptic number.

It is an amenable number.

22493638793 is a deficient number, since it is larger than the sum of its proper divisors (777353407).

22493638793 is a wasteful number, since it uses less digits than its factorization.

22493638793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57051.

The product of its digits is 11757312, while the sum is 56.

The spelling of 22493638793 in words is "twenty-two billion, four hundred ninety-three million, six hundred thirty-eight thousand, seven hundred ninety-three".