422289868 has 48 divisors (see below), whose sum is σ = 992242944. Its totient is φ = 151871040.

The previous prime is 422289863. The next prime is 422289869. The reversal of 422289868 is 868982224.

It is not an unprimeable number, because it can be changed into a prime (422289863) 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, 48730 + ... + 56737.

It is an arithmetic number, because the mean of its divisors is an integer number (20671728).

Almost surely, 2^422289868 is an apocalyptic number.

It is an amenable number.

422289868 is an abundant number, since it is smaller than the sum of its proper divisors (569953076).

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

422289868 is a wasteful number, since it uses less digits than its factorization.

422289868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105502 (or 105500 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The square root of 422289868 is about 20549.6926497697. The cubic root of 422289868 is about 750.2457671596.

The spelling of 422289868 in words is "four hundred twenty-two million, two hundred eighty-nine thousand, eight hundred sixty-eight".