422864446 has 8 divisors (see below), whose sum is σ = 645047640. Its totient is φ = 207848568.

The previous prime is 422864441. The next prime is 422864461. The reversal of 422864446 is 644468224.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 422864399 and 422864408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422864441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791681 + ... + 1791916.

It is an arithmetic number, because the mean of its divisors is an integer number (80630955).

Almost surely, 2^422864446 is an apocalyptic number.

422864446 is a deficient number, since it is larger than the sum of its proper divisors (222183194).

422864446 is a wasteful number, since it uses less digits than its factorization.

422864446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583658.

The product of its digits is 294912, while the sum is 40.

The square root of 422864446 is about 20563.6681066390. The cubic root of 422864446 is about 750.5858805765.

The spelling of 422864446 in words is "four hundred twenty-two million, eight hundred sixty-four thousand, four hundred forty-six".