422949113 has 2 divisors, whose sum is σ = 422949114. Its totient is φ = 422949112.

The previous prime is 422949083. The next prime is 422949119. The reversal of 422949113 is 311949224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400320064 + 22629049 = 20008^2 + 4757^2 .

It is a cyclic number.

It is not a de Polignac number, because 422949113 - 2⁶ = 422949049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (422949119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211474556 + 211474557.

It is an arithmetic number, because the mean of its divisors is an integer number (211474557).

Almost surely, 2^422949113 is an apocalyptic number.

It is an amenable number.

422949113 is a deficient number, since it is larger than the sum of its proper divisors (1).

422949113 is an equidigital number, since it uses as much as digits as its factorization.

422949113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 422949113 is about 20565.7266586912. The cubic root of 422949113 is about 750.6359719745.

The spelling of 422949113 in words is "four hundred twenty-two million, nine hundred forty-nine thousand, one hundred thirteen".