22102222013 has 4 divisors (see below), whose sum is σ = 22105396860. Its totient is φ = 22099047168.

The previous prime is 22102221991. The next prime is 22102222033. The reversal of 22102222013 is 31022220122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31022220122 = 2 ⋅15511110061.

It can be written as a sum of positive squares in 2 ways, for example, as 13792623364 + 8309598649 = 117442^2 + 91157^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102222013 - 2³⁴ = 4922352829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102221982 and 22102222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102222033) 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, 1576958 + ... + 1590911.

It is an arithmetic number, because the mean of its divisors is an integer number (5526349215).

Almost surely, 2^22102222013 is an apocalyptic number.

It is an amenable number.

22102222013 is a deficient number, since it is larger than the sum of its proper divisors (3174847).

22102222013 is an equidigital number, since it uses as much as digits as its factorization.

22102222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174846.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22102222013 its reverse (31022220122), we get a palindrome (53124442135).

The spelling of 22102222013 in words is "twenty-two billion, one hundred two million, two hundred twenty-two thousand, thirteen".