422022660 has 48 divisors (see below), whose sum is σ = 1185916032. Its totient is φ = 112134400.

The previous prime is 422022647. The next prime is 422022697. The reversal of 422022660 is 66220224.

422022660 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 422022660.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4345 + ... + 29375.

It is an arithmetic number, because the mean of its divisors is an integer number (24706584).

Almost surely, 2^422022660 is an apocalyptic number.

It is an amenable number.

422022660 is an abundant number, since it is smaller than the sum of its proper divisors (763893372).

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

422022660 is a wasteful number, since it uses less digits than its factorization.

422022660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25324 (or 25322 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 422022660 is about 20543.1901125409. The cubic root of 422022660 is about 750.0874920154.

Adding to 422022660 its reverse (66220224), we get a palindrome (488242884).

The spelling of 422022660 in words is "four hundred twenty-two million, twenty-two thousand, six hundred sixty".