22012032313 has 16 divisors (see below), whose sum is σ = 22946723280. Its totient is φ = 21089533696.

The previous prime is 22012032281. The next prime is 22012032319. The reversal of 22012032313 is 31323021022.

It can be written as a sum of positive squares in 8 ways, for example, as 723179664 + 21288852649 = 26892^2 + 145907^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012032313 - 2⁵ = 22012032281 is a prime.

It is a super-2 number, since 2×22012032313² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012032319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2790531 + ... + 2798407.

It is an arithmetic number, because the mean of its divisors is an integer number (1434170205).

Almost surely, 2^22012032313 is an apocalyptic number.

It is an amenable number.

22012032313 is a deficient number, since it is larger than the sum of its proper divisors (934690967).

22012032313 is a wasteful number, since it uses less digits than its factorization.

22012032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22012032313 its reverse (31323021022), we get a palindrome (53335053335).

The spelling of 22012032313 in words is "twenty-two billion, twelve million, thirty-two thousand, three hundred thirteen".