20222113 has 2 divisors, whose sum is σ = 20222114. Its totient is φ = 20222112.

The previous prime is 20222101. The next prime is 20222117. The reversal of 20222113 is 31122202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15586704 + 4635409 = 3948^2 + 2153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20222093 and 20222102.

It is not a weakly prime, because it can be changed into another prime (20222117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111056 + 10111057.

It is an arithmetic number, because the mean of its divisors is an integer number (10111057).

Almost surely, 2^20222113 is an apocalyptic number.

It is an amenable number.

20222113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222113 is an equidigital number, since it uses as much as digits as its factorization.

20222113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20222113 is about 4496.9003769263. The cubic root of 20222113 is about 272.4429103533.

Adding to 20222113 its reverse (31122202), we get a palindrome (51344315).

The spelling of 20222113 in words is "twenty million, two hundred twenty-two thousand, one hundred thirteen".