422320650 has 48 divisors (see below), whose sum is σ = 1048620384. Its totient is φ = 112482880.

The previous prime is 422320621. The next prime is 422320651. The reversal of 422320650 is 56023224.

It is a self number, because there is not a number n which added to its sum of digits gives 422320650.

It is not an unprimeable number, because it can be changed into a prime (422320651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213064 + ... + 215036.

It is an arithmetic number, because the mean of its divisors is an integer number (21846258).

Almost surely, 2^422320650 is an apocalyptic number.

422320650 is an abundant number, since it is smaller than the sum of its proper divisors (626299734).

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

422320650 is a wasteful number, since it uses less digits than its factorization.

422320650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 422320650 is about 20550.4416010946. The cubic root of 422320650 is about 750.2639959528.

Adding to 422320650 its reverse (56023224), we get a palindrome (478343874).

The spelling of 422320650 in words is "four hundred twenty-two million, three hundred twenty thousand, six hundred fifty".