22200222313321 has 24 divisors (see below), whose sum is σ = 24059273820120. Its totient is φ = 20475487259136.

The previous prime is 22200222313309. The next prime is 22200222313331. The reversal of 22200222313321 is 12331322200222.

It can be written as a sum of positive squares in 12 ways, for example, as 18613702209600 + 3586520103721 = 4314360^2 + 1893811^2 .

It is not a de Polignac number, because 22200222313321 - 2⁷ = 22200222313193 is a prime.

It is a super-2 number, since 2×22200222313321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22200222313331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1793661285 + ... + 1793673661.

It is an arithmetic number, because the mean of its divisors is an integer number (1002469742505).

Almost surely, 2^{22200222313321} is an apocalyptic number.

It is an amenable number.

22200222313321 is a deficient number, since it is larger than the sum of its proper divisors (1859051506799).

22200222313321 is a wasteful number, since it uses less digits than its factorization.

22200222313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365 (or 20352 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22200222313321 its reverse (12331322200222), we get a palindrome (34531544513543).

The spelling of 22200222313321 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, three hundred thirteen thousand, three hundred twenty-one".