422006684 has 24 divisors (see below), whose sum is σ = 813634416. Its totient is φ = 189920000.

The previous prime is 422006681. The next prime is 422006713. The reversal of 422006684 is 486600224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 422006684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422006681) 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, 43037 + ... + 51924.

It is an arithmetic number, because the mean of its divisors is an integer number (33901434).

Almost surely, 2^422006684 is an apocalyptic number.

422006684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

422006684 is a deficient number, since it is larger than the sum of its proper divisors (391627732).

422006684 is a wasteful number, since it uses less digits than its factorization.

422006684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95077 (or 95075 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 422006684 is about 20542.8012695445. The cubic root of 422006684 is about 750.0780268451.

It can be divided in two parts, 42200 and 6684, that added together give a palindrome (48884).

The spelling of 422006684 in words is "four hundred twenty-two million, six thousand, six hundred eighty-four".