22220420113 has 2 divisors, whose sum is σ = 22220420114. Its totient is φ = 22220420112.

The previous prime is 22220420111. The next prime is 22220420177. The reversal of 22220420113 is 31102402222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15374016064 + 6846404049 = 123992^2 + 82743^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220420113 - 2¹ = 22220420111 is a prime.

Together with 22220420111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22220420111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110210056 + 11110210057.

It is an arithmetic number, because the mean of its divisors is an integer number (11110210057).

Almost surely, 2^22220420113 is an apocalyptic number.

It is an amenable number.

22220420113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220420113 is an equidigital number, since it uses as much as digits as its factorization.

22220420113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22220420113 its reverse (31102402222), we get a palindrome (53322822335).

The spelling of 22220420113 in words is "twenty-two billion, two hundred twenty million, four hundred twenty thousand, one hundred thirteen".