22203113 has 2 divisors, whose sum is σ = 22203114. Its totient is φ = 22203112.

The previous prime is 22203109. The next prime is 22203121. The reversal of 22203113 is 31130222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 169 = 4712^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 22203113 - 2² = 22203109 is a prime.

It is not a weakly prime, because it can be changed into another prime (22203163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101556 + 11101557.

It is an arithmetic number, because the mean of its divisors is an integer number (11101557).

Almost surely, 2^22203113 is an apocalyptic number.

It is an amenable number.

22203113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22203113 is an equidigital number, since it uses as much as digits as its factorization.

22203113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22203113 is about 4712.0179329031. The cubic root of 22203113 is about 281.0636119458.

Adding to 22203113 its reverse (31130222), we get a palindrome (53333335).

The spelling of 22203113 in words is "twenty-two million, two hundred three thousand, one hundred thirteen".