422371077021 has 10 divisors (see below), whose sum is σ = 630949386782. Its totient is φ = 281580717960.

The previous prime is 422371076999. The next prime is 422371077061. The reversal of 422371077021 is 120770173224.

It can be written as a sum of positive squares in only one way, i.e., 224533822500 + 197837254521 = 473850^2 + 444789^2 .

It is not a de Polignac number, because 422371077021 - 2¹³ = 422371068829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422371077061) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2607228790 + ... + 2607228951.

Almost surely, 2^422371077021 is an apocalyptic number.

It is an amenable number.

422371077021 is a deficient number, since it is larger than the sum of its proper divisors (208578309761).

422371077021 is an equidigital number, since it uses as much as digits as its factorization.

422371077021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214457753 (or 5214457744 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 422371077021 in words is "four hundred twenty-two billion, three hundred seventy-one million, seventy-seven thousand, twenty-one".