422411444 has 144 divisors (see below), whose sum is σ = 996105600. Its totient is φ = 152875008.

The previous prime is 422411441. The next prime is 422411453. The reversal of 422411444 is 444114224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422411441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4746152 + ... + 4746240.

It is an arithmetic number, because the mean of its divisors is an integer number (6917400).

Almost surely, 2^422411444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422411444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498052800).

422411444 is an abundant number, since it is smaller than the sum of its proper divisors (573694156).

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

422411444 is a wasteful number, since it uses less digits than its factorization.

422411444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 187 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 422411444 is about 20552.6505346634. The cubic root of 422411444 is about 750.3177580948.

Adding to 422411444 its reverse (444114224), we get a palindrome (866525668).

The spelling of 422411444 in words is "four hundred twenty-two million, four hundred eleven thousand, four hundred forty-four".