422452949 has 2 divisors, whose sum is σ = 422452950. Its totient is φ = 422452948.

The previous prime is 422452909. The next prime is 422452991. The reversal of 422452949 is 949254224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394816900 + 27636049 = 19870^2 + 5257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422452949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422452909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211226474 + 211226475.

It is an arithmetic number, because the mean of its divisors is an integer number (211226475).

Almost surely, 2^422452949 is an apocalyptic number.

It is an amenable number.

422452949 is a deficient number, since it is larger than the sum of its proper divisors (1).

422452949 is an equidigital number, since it uses as much as digits as its factorization.

422452949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 422452949 is about 20553.6602336421. The cubic root of 422452949 is about 750.3423320176.

The spelling of 422452949 in words is "four hundred twenty-two million, four hundred fifty-two thousand, nine hundred forty-nine".