422002220377 has 2 divisors, whose sum is σ = 422002220378. Its totient is φ = 422002220376.

The previous prime is 422002220359. The next prime is 422002220449. The reversal of 422002220377 is 773022200224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421435970761 + 566249616 = 649181^2 + 23796^2 .

It is a cyclic number.

It is not a de Polignac number, because 422002220377 - 2¹⁹ = 422001696089 is a prime.

It is not a weakly prime, because it can be changed into another prime (422002520377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211001110188 + 211001110189.

It is an arithmetic number, because the mean of its divisors is an integer number (211001110189).

Almost surely, 2^422002220377 is an apocalyptic number.

It is an amenable number.

422002220377 is a deficient number, since it is larger than the sum of its proper divisors (1).

422002220377 is an equidigital number, since it uses as much as digits as its factorization.

422002220377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 31.

The spelling of 422002220377 in words is "four hundred twenty-two billion, two million, two hundred twenty thousand, three hundred seventy-seven".