422783368 has 48 divisors (see below), whose sum is σ = 923964300. Its totient is φ = 180835200.

The previous prime is 422783351. The next prime is 422783371. The reversal of 422783368 is 863387224.

It can be written as a sum of positive squares in 2 ways, for example, as 377058724 + 45724644 = 19418^2 + 6762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324318 + ... + 325618.

Almost surely, 2^422783368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422783368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461982150).

422783368 is an abundant number, since it is smaller than the sum of its proper divisors (501180932).

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

422783368 is a wasteful number, since it uses less digits than its factorization.

422783368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2139 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 422783368 is about 20561.6966226039. The cubic root of 422783368 is about 750.5379062651.

The spelling of 422783368 in words is "four hundred twenty-two million, seven hundred eighty-three thousand, three hundred sixty-eight".