422064566 has 64 divisors (see below), whose sum is σ = 820592640. Its totient is φ = 158004000.

The previous prime is 422064553. The next prime is 422064571. The reversal of 422064566 is 665460224.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1007105 + ... + 1007523.

It is an arithmetic number, because the mean of its divisors is an integer number (12821760).

Almost surely, 2^422064566 is an apocalyptic number.

422064566 is a deficient number, since it is larger than the sum of its proper divisors (398528074).

422064566 is a wasteful number, since it uses less digits than its factorization.

422064566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 422064566 is about 20544.2100359201. The cubic root of 422064566 is about 750.1123185859.

It can be divided in two parts, 4220 and 64566, that added together give a palindrome (68786).

The spelling of 422064566 in words is "four hundred twenty-two million, sixty-four thousand, five hundred sixty-six".