422348020 has 12 divisors (see below), whose sum is σ = 886930884. Its totient is φ = 168939200.

The previous prime is 422347943. The next prime is 422348027. The reversal of 422348020 is 20843224.

It can be written as a sum of positive squares in 2 ways, for example, as 169728784 + 252619236 = 13028^2 + 15894^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422348027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10558681 + ... + 10558720.

It is an arithmetic number, because the mean of its divisors is an integer number (73910907).

Almost surely, 2^422348020 is an apocalyptic number.

It is an amenable number.

422348020 is an abundant number, since it is smaller than the sum of its proper divisors (464582864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422348020 is a wasteful number, since it uses less digits than its factorization.

422348020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21117410 (or 21117408 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 422348020 is about 20551.1075127352. The cubic root of 422348020 is about 750.2802034498.

The spelling of 422348020 in words is "four hundred twenty-two million, three hundred forty-eight thousand, twenty".