422020244 has 12 divisors (see below), whose sum is σ = 738748500. Its totient is φ = 210949248.

The previous prime is 422020243. The next prime is 422020253. The reversal of 422020244 is 442020224.

It can be written as a sum of positive squares in 2 ways, for example, as 111555844 + 310464400 = 10562^2 + 17620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422020243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732 + ... + 29180.

It is an arithmetic number, because the mean of its divisors is an integer number (61562375).

Almost surely, 2^422020244 is an apocalyptic number.

It is an amenable number.

422020244 is a deficient number, since it is larger than the sum of its proper divisors (316728256).

422020244 is a wasteful number, since it uses less digits than its factorization.

422020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30442 (or 30440 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422020244 is about 20543.1313095156. The cubic root of 422020244 is about 750.0860606429.

Subtracting from 422020244 its sum of digits (20), we obtain a palindrome (422020224).

Adding to 422020244 its reverse (442020224), we get a palindrome (864040468).

The spelling of 422020244 in words is "four hundred twenty-two million, twenty thousand, two hundred forty-four".