22400031013 has 4 divisors (see below), whose sum is σ = 22425285600. Its totient is φ = 22374776428.

The previous prime is 22400031001. The next prime is 22400031091. The reversal of 22400031013 is 31013000422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22400031013 is a prime.

It is a super-2 number, since 2×22400031013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400031413) 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 3 ways as a sum of consecutive naturals, for example, 12625963 + ... + 12627736.

It is an arithmetic number, because the mean of its divisors is an integer number (5606321400).

Almost surely, 2^22400031013 is an apocalyptic number.

It is an amenable number.

22400031013 is a deficient number, since it is larger than the sum of its proper divisors (25254587).

22400031013 is an equidigital number, since it uses as much as digits as its factorization.

22400031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25254586.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22400031013 its reverse (31013000422), we get a palindrome (53413031435).

The spelling of 22400031013 in words is "twenty-two billion, four hundred million, thirty-one thousand, thirteen".