22119208513 has 4 divisors (see below), whose sum is σ = 22143019140. Its totient is φ = 22095397888.

The previous prime is 22119208477. The next prime is 22119208543. The reversal of 22119208513 is 31580291122.

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 4603215409 + 17515993104 = 67847^2 + 132348^2 .

It is a cyclic number.

It is not a de Polignac number, because 22119208513 - 2¹⁷ = 22119077441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22119208543) 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, 11903920 + ... + 11905777.

It is an arithmetic number, because the mean of its divisors is an integer number (5535754785).

Almost surely, 2^22119208513 is an apocalyptic number.

It is an amenable number.

22119208513 is a deficient number, since it is larger than the sum of its proper divisors (23810627).

22119208513 is an equidigital number, since it uses as much as digits as its factorization.

22119208513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23810626.

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 22119208513 its reverse (31580291122), we get a palindrome (53699499635).

The spelling of 22119208513 in words is "twenty-two billion, one hundred nineteen million, two hundred eight thousand, five hundred thirteen".