22202022013 has 4 divisors (see below), whose sum is σ = 22802076700. Its totient is φ = 21601967328.

The previous prime is 22202021977. The next prime is 22202022019. The reversal of 22202022013 is 31022020222.

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 13172841529 + 9029180484 = 114773^2 + 95022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202022013 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 (22202022019) 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, 300027288 + ... + 300027361.

It is an arithmetic number, because the mean of its divisors is an integer number (5700519175).

Almost surely, 2^22202022013 is an apocalyptic number.

It is an amenable number.

22202022013 is a deficient number, since it is larger than the sum of its proper divisors (600054687).

22202022013 is an equidigital number, since it uses as much as digits as its factorization.

22202022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600054686.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22202022013 its reverse (31022020222), we get a palindrome (53224042235).

The spelling of 22202022013 in words is "twenty-two billion, two hundred two million, twenty-two thousand, thirteen".