422444213020 has 24 divisors (see below), whose sum is σ = 887161991184. Its totient is φ = 168972134016.

The previous prime is 422444213017. The next prime is 422444213027. The reversal of 422444213020 is 20312444224.

It is a super-2 number, since 2×422444213020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422444213020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422444213027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307144 + ... + 969136.

It is an arithmetic number, because the mean of its divisors is an integer number (36965082966).

Almost surely, 2^422444213020 is an apocalyptic number.

It is an amenable number.

422444213020 is an abundant number, since it is smaller than the sum of its proper divisors (464717778164).

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

422444213020 is a wasteful number, since it uses less digits than its factorization.

422444213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693909 (or 693907 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 422444213020 its reverse (20312444224), we get a palindrome (442756657244).

The spelling of 422444213020 in words is "four hundred twenty-two billion, four hundred forty-four million, two hundred thirteen thousand, twenty".