22110312013 has 16 divisors (see below), whose sum is σ = 23515854336. Its totient is φ = 20716577280.

The previous prime is 22110312011. The next prime is 22110312031. The reversal of 22110312013 is 31021301122.

It is a cyclic number.

It is not a de Polignac number, because 22110312013 - 2¹ = 22110312011 is a prime.

It is a super-2 number, since 2×22110312013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110312011) 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, 8769193 + ... + 8771713.

It is an arithmetic number, because the mean of its divisors is an integer number (1469740896).

Almost surely, 2^22110312013 is an apocalyptic number.

It is an amenable number.

22110312013 is a deficient number, since it is larger than the sum of its proper divisors (1405542323).

22110312013 is a wasteful number, since it uses less digits than its factorization.

22110312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22110312013 its reverse (31021301122), we get a palindrome (53131613135).

The spelling of 22110312013 in words is "twenty-two billion, one hundred ten million, three hundred twelve thousand, thirteen".