422341440 has 112 divisors (see below), whose sum is σ = 1349215488. Its totient is φ = 111929344.

The previous prime is 422341417. The next prime is 422341453. The reversal of 422341440 is 44143224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 422341440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164809 + ... + 167351.

Almost surely, 2^422341440 is an apocalyptic number.

422341440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422341440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674607744).

422341440 is an abundant number, since it is smaller than the sum of its proper divisors (926874048).

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

422341440 is a wasteful number, since it uses less digits than its factorization.

422341440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 422341440 is about 20550.9474234158. The cubic root of 422341440 is about 750.2763070822.

Adding to 422341440 its reverse (44143224), we get a palindrome (466484664).

The spelling of 422341440 in words is "four hundred twenty-two million, three hundred forty-one thousand, four hundred forty".