22221020013 has 4 divisors (see below), whose sum is σ = 29628026688. Its totient is φ = 14814013340.

The previous prime is 22221019993. The next prime is 22221020027. The reversal of 22221020013 is 31002012222.

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 not a de Polignac number, because 22221020013 - 2³² = 17926052717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221019974 and 22221020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221020113) 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, 3703503333 + ... + 3703503338.

It is an arithmetic number, because the mean of its divisors is an integer number (7407006672).

Almost surely, 2^22221020013 is an apocalyptic number.

It is an amenable number.

22221020013 is a deficient number, since it is larger than the sum of its proper divisors (7407006675).

22221020013 is an equidigital number, since it uses as much as digits as its factorization.

22221020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407006674.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22221020013 its reverse (31002012222), we get a palindrome (53223032235).

The spelling of 22221020013 in words is "twenty-two billion, two hundred twenty-one million, twenty thousand, thirteen".