422951983 has 2 divisors, whose sum is σ = 422951984. Its totient is φ = 422951982.

The previous prime is 422951929. The next prime is 422951987. The reversal of 422951983 is 389159224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422951983 - 2¹⁷ = 422820911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422951987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211475991 + 211475992.

It is an arithmetic number, because the mean of its divisors is an integer number (211475992).

Almost surely, 2^422951983 is an apocalyptic number.

422951983 is a deficient number, since it is larger than the sum of its proper divisors (1).

422951983 is an equidigital number, since it uses as much as digits as its factorization.

422951983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 422951983 is about 20565.7964348576. The cubic root of 422951983 is about 750.6376698307.

The spelling of 422951983 in words is "four hundred twenty-two million, nine hundred fifty-one thousand, nine hundred eighty-three".