422005020377 has 2 divisors, whose sum is σ = 422005020378. Its totient is φ = 422005020376.

The previous prime is 422005020347. The next prime is 422005020383. The reversal of 422005020377 is 773020500224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299379688336 + 122625332041 = 547156^2 + 350179^2 .

It is a cyclic number.

It is not a de Polignac number, because 422005020377 - 2⁶ = 422005020313 is a prime.

It is not a weakly prime, because it can be changed into another prime (422005020347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211002510188 + 211002510189.

It is an arithmetic number, because the mean of its divisors is an integer number (211002510189).

Almost surely, 2^422005020377 is an apocalyptic number.

It is an amenable number.

422005020377 is a deficient number, since it is larger than the sum of its proper divisors (1).

422005020377 is an equidigital number, since it uses as much as digits as its factorization.

422005020377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 32.

The spelling of 422005020377 in words is "four hundred twenty-two billion, five million, twenty thousand, three hundred seventy-seven".