422598066 has 48 divisors (see below), whose sum is σ = 950692512. Its totient is φ = 125072640.

The previous prime is 422598047. The next prime is 422598073. The reversal of 422598066 is 660895224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24450 + ... + 37986.

It is an arithmetic number, because the mean of its divisors is an integer number (19806094).

Almost surely, 2^422598066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422598066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475346256).

422598066 is an abundant number, since it is smaller than the sum of its proper divisors (528094446).

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

422598066 is a wasteful number, since it uses less digits than its factorization.

422598066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13607 (or 13596 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 422598066 is about 20557.1901290035. The cubic root of 422598066 is about 750.4282389908.

The spelling of 422598066 in words is "four hundred twenty-two million, five hundred ninety-eight thousand, sixty-six".