22113312213 has 8 divisors (see below), whose sum is σ = 29490916000. Its totient is φ = 14738958288.

The previous prime is 22113312191. The next prime is 22113312223. The reversal of 22113312213 is 31221331122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22113312213 - 2⁶ = 22113312149 is a prime.

It is a super-2 number, since 2×22113312213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22113312213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113312223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796543 + ... + 823836.

It is an arithmetic number, because the mean of its divisors is an integer number (3686364500).

Almost surely, 2^22113312213 is an apocalyptic number.

It is an amenable number.

22113312213 is a deficient number, since it is larger than the sum of its proper divisors (7377603787).

22113312213 is a wasteful number, since it uses less digits than its factorization.

22113312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624931.

The product of its digits is 432, while the sum is 21.

Adding to 22113312213 its reverse (31221331122), we get a palindrome (53334643335).

The spelling of 22113312213 in words is "twenty-two billion, one hundred thirteen million, three hundred twelve thousand, two hundred thirteen".