422751001 has 2 divisors, whose sum is σ = 422751002. Its totient is φ = 422751000.

The previous prime is 422750927. The next prime is 422751013. The reversal of 422751001 is 100157224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274763776 + 147987225 = 16576^2 + 12165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422751001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422751031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211375500 + 211375501.

It is an arithmetic number, because the mean of its divisors is an integer number (211375501).

Almost surely, 2^422751001 is an apocalyptic number.

It is an amenable number.

422751001 is a deficient number, since it is larger than the sum of its proper divisors (1).

422751001 is an equidigital number, since it uses as much as digits as its factorization.

422751001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 422751001 is about 20560.9095372749. The cubic root of 422751001 is about 750.5187528150.

The spelling of 422751001 in words is "four hundred twenty-two million, seven hundred fifty-one thousand, one".