422240443 has 8 divisors (see below), whose sum is σ = 424952528. Its totient is φ = 419537664.

The previous prime is 422240437. The next prime is 422240447. The reversal of 422240443 is 344042224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422240443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422240447) 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, 103480 + ... + 107482.

It is an arithmetic number, because the mean of its divisors is an integer number (53119066).

Almost surely, 2^422240443 is an apocalyptic number.

422240443 is a deficient number, since it is larger than the sum of its proper divisors (2712085).

422240443 is a wasteful number, since it uses less digits than its factorization.

422240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 422240443 is about 20548.4900418498. The cubic root of 422240443 is about 750.2164963146.

Adding to 422240443 its reverse (344042224), we get a palindrome (766282667).

The spelling of 422240443 in words is "four hundred twenty-two million, two hundred forty thousand, four hundred forty-three".