422628880901 has 2 divisors, whose sum is σ = 422628880902. Its totient is φ = 422628880900.

The previous prime is 422628880867. The next prime is 422628881029. The reversal of 422628880901 is 109088826224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279207616801 + 143421264100 = 528401^2 + 378710^2 .

It is a cyclic number.

It is not a de Polignac number, because 422628880901 - 2⁶ = 422628880837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422628880901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422628880601) 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, 211314440450 + 211314440451.

It is an arithmetic number, because the mean of its divisors is an integer number (211314440451).

Almost surely, 2^422628880901 is an apocalyptic number.

It is an amenable number.

422628880901 is a deficient number, since it is larger than the sum of its proper divisors (1).

422628880901 is an equidigital number, since it uses as much as digits as its factorization.

422628880901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 422628880901 in words is "four hundred twenty-two billion, six hundred twenty-eight million, eight hundred eighty thousand, nine hundred one".