422819927 has 2 divisors, whose sum is σ = 422819928. Its totient is φ = 422819926.

The previous prime is 422819911. The next prime is 422819933. The reversal of 422819927 is 729918224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422819927 - 2⁴ = 422819911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422819627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211409963 + 211409964.

It is an arithmetic number, because the mean of its divisors is an integer number (211409964).

Almost surely, 2^422819927 is an apocalyptic number.

422819927 is a deficient number, since it is larger than the sum of its proper divisors (1).

422819927 is an equidigital number, since it uses as much as digits as its factorization.

422819927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 422819927 is about 20562.5856107640. The cubic root of 422819927 is about 750.5595391915.

The spelling of 422819927 in words is "four hundred twenty-two million, eight hundred nineteen thousand, nine hundred twenty-seven".