22044102013 has 4 divisors (see below), whose sum is σ = 22045149148. Its totient is φ = 22043054880.

The previous prime is 22044102007. The next prime is 22044102019. The reversal of 22044102013 is 31020144022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22044102007) and next prime (22044102019).

It can be written as a sum of positive squares in 2 ways, for example, as 1629979129 + 20414122884 = 40373^2 + 142878^2 .

It is a cyclic number.

It is not a de Polignac number, because 22044102013 - 2¹³ = 22044093821 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 (22044102019) 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, 491328 + ... + 534313.

It is an arithmetic number, because the mean of its divisors is an integer number (5511287287).

Almost surely, 2^22044102013 is an apocalyptic number.

It is an amenable number.

22044102013 is a deficient number, since it is larger than the sum of its proper divisors (1047135).

22044102013 is a wasteful number, since it uses less digits than its factorization.

22044102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047134.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22044102013 its reverse (31020144022), we get a palindrome (53064246035).

The spelling of 22044102013 in words is "twenty-two billion, forty-four million, one hundred two thousand, thirteen".