422722048 has 80 divisors (see below), whose sum is σ = 978151680. Its totient is φ = 178753536.

The previous prime is 422722033. The next prime is 422722057. The reversal of 422722048 is 840227224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282390 + ... + 283882.

It is an arithmetic number, because the mean of its divisors is an integer number (12226896).

Almost surely, 2^422722048 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 422722048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489075840).

422722048 is an abundant number, since it is smaller than the sum of its proper divisors (555429632).

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

422722048 is an equidigital number, since it uses as much as digits as its factorization.

422722048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 422722048 is about 20560.2054464444. The cubic root of 422722048 is about 750.5016188003.

The spelling of 422722048 in words is "four hundred twenty-two million, seven hundred twenty-two thousand, forty-eight".