422304140 has 36 divisors (see below), whose sum is σ = 942087216. Its totient is φ = 158982912.

The previous prime is 422304079. The next prime is 422304151. The reversal of 422304140 is 41403224.

It is a super-2 number, since 2×422304140² = 356681573322279200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30752 + ... + 42311.

Almost surely, 2^422304140 is an apocalyptic number.

It is an amenable number.

422304140 is an abundant number, since it is smaller than the sum of its proper divisors (519783076).

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

422304140 is a wasteful number, since it uses less digits than its factorization.

422304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73106 (or 73087 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422304140 is about 20550.0399026377. The cubic root of 422304140 is about 750.2542190057.

Adding to 422304140 its reverse (41403224), we get a palindrome (463707364).

The spelling of 422304140 in words is "four hundred twenty-two million, three hundred four thousand, one hundred forty".