422043320 has 32 divisors (see below), whose sum is σ = 951382800. Its totient is φ = 168499968.

The previous prime is 422043319. The next prime is 422043367. The reversal of 422043320 is 23340224.

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

It is a junction number, because it is equal to n+sod(n) for n = 422043292 and 422043301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12236 + ... + 31524.

Almost surely, 2^422043320 is an apocalyptic number.

422043320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422043320 is an abundant number, since it is smaller than the sum of its proper divisors (529339480).

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

422043320 is a wasteful number, since it uses less digits than its factorization.

422043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19847 (or 19843 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 422043320 is about 20543.6929494188. The cubic root of 422043320 is about 750.0997319227.

Adding to 422043320 its reverse (23340224), we get a palindrome (445383544).

The spelling of 422043320 in words is "four hundred twenty-two million, forty-three thousand, three hundred twenty".