422819941 has 2 divisors, whose sum is σ = 422819942. Its totient is φ = 422819940.

The previous prime is 422819933. The next prime is 422819963. The reversal of 422819941 is 149918224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402162916 + 20657025 = 20054^2 + 4545^2 .

It is a cyclic number.

It is not a de Polignac number, because 422819941 - 2³ = 422819933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422819894 and 422819903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422819911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211409970 + 211409971.

It is an arithmetic number, because the mean of its divisors is an integer number (211409971).

Almost surely, 2^422819941 is an apocalyptic number.

It is an amenable number.

422819941 is a deficient number, since it is larger than the sum of its proper divisors (1).

422819941 is an equidigital number, since it uses as much as digits as its factorization.

422819941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 422819941 is about 20562.5859511881. The cubic root of 422819941 is about 750.5595474754.

The spelling of 422819941 in words is "four hundred twenty-two million, eight hundred nineteen thousand, nine hundred forty-one".