422322240 has 56 divisors (see below), whose sum is σ = 1340876160. Its totient is φ = 112619008.

The previous prime is 422322217. The next prime is 422322247. The reversal of 422322240 is 42223224.

It is not an unprimeable number, because it can be changed into a prime (422322247) 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, 219000 + ... + 220919.

Almost surely, 2^422322240 is an apocalyptic number.

422322240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422322240 is an abundant number, since it is smaller than the sum of its proper divisors (918553920).

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

422322240 is a wasteful number, since it uses less digits than its factorization.

422322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439939 (or 439929 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 422322240 is about 20550.4802863583. The cubic root of 422322240 is about 750.2649375109.

Adding to 422322240 its reverse (42223224), we get a palindrome (464545464).

The spelling of 422322240 in words is "four hundred twenty-two million, three hundred twenty-two thousand, two hundred forty".