22012013313 has 12 divisors (see below), whose sum is σ = 31961599488. Its totient is φ = 14597843640.

The previous prime is 22012013279. The next prime is 22012013351. The reversal of 22012013313 is 31331021022.

22012013313 is a `hidden beast` number, since 220 + 120 + 13 + 313 = 666.

It is not a de Polignac number, because 22012013313 - 2²⁸ = 21743577857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012013363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6400845 + ... + 6404282.

It is an arithmetic number, because the mean of its divisors is an integer number (2663466624).

Almost surely, 2^22012013313 is an apocalyptic number.

It is an amenable number.

22012013313 is a deficient number, since it is larger than the sum of its proper divisors (9949586175).

22012013313 is a wasteful number, since it uses less digits than its factorization.

22012013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12805324 (or 12805321 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22012013313 its reverse (31331021022), we get a palindrome (53343034335).

The spelling of 22012013313 in words is "twenty-two billion, twelve million, thirteen thousand, three hundred thirteen".