22212022113 has 12 divisors (see below), whose sum is σ = 33190378260. Its totient is φ = 14297393376.

The previous prime is 22212022097. The next prime is 22212022127. The reversal of 22212022113 is 31122021222.

It can be written as a sum of positive squares in 2 ways, for example, as 10529222544 + 11682799569 = 102612^2 + 108087^2 .

It is not a de Polignac number, because 22212022113 - 2⁴ = 22212022097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22212022153) 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, 42551506 + ... + 42552027.

It is an arithmetic number, because the mean of its divisors is an integer number (2765864855).

Almost surely, 2^22212022113 is an apocalyptic number.

It is an amenable number.

22212022113 is a deficient number, since it is larger than the sum of its proper divisors (10978356147).

22212022113 is a wasteful number, since it uses less digits than its factorization.

22212022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85103568 (or 85103565 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22212022113 its reverse (31122021222), we get a palindrome (53334043335).

The spelling of 22212022113 in words is "twenty-two billion, two hundred twelve million, twenty-two thousand, one hundred thirteen".