422819933 has 2 divisors, whose sum is σ = 422819934. Its totient is φ = 422819932.

The previous prime is 422819927. The next prime is 422819941. The reversal of 422819933 is 339918224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414651769 + 8168164 = 20363^2 + 2858^2 .

It is a cyclic number.

It is not a de Polignac number, because 422819933 - 2¹² = 422815837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422819963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211409966 + 211409967.

It is an arithmetic number, because the mean of its divisors is an integer number (211409967).

Almost surely, 2^422819933 is an apocalyptic number.

It is an amenable number.

422819933 is a deficient number, since it is larger than the sum of its proper divisors (1).

422819933 is an equidigital number, since it uses as much as digits as its factorization.

422819933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 422819933 is about 20562.5857566601. The cubic root of 422819933 is about 750.5595427417.

The spelling of 422819933 in words is "four hundred twenty-two million, eight hundred nineteen thousand, nine hundred thirty-three".