422242644660 has 48 divisors (see below), whose sum is σ = 1182367876032. Its totient is φ = 112589612800.

The previous prime is 422242644617. The next prime is 422242644661. The reversal of 422242644660 is 66446242224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422242644661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566815 + ... + 1079705.

It is an arithmetic number, because the mean of its divisors is an integer number (24632664084).

Almost surely, 2^422242644660 is an apocalyptic number.

It is an amenable number.

422242644660 is an abundant number, since it is smaller than the sum of its proper divisors (760125231372).

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

422242644660 is a wasteful number, since it uses less digits than its factorization.

422242644660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526624 (or 526622 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

Adding to 422242644660 its reverse (66446242224), we get a palindrome (488688886884).

The spelling of 422242644660 in words is "four hundred twenty-two billion, two hundred forty-two million, six hundred forty-four thousand, six hundred sixty".