64422566 has 8 divisors (see below), whose sum is σ = 104067264. Its totient is φ = 29733480.

The previous prime is 64422539. The next prime is 64422569. The reversal of 64422566 is 66522446.

64422566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64422569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1238870 + ... + 1238921.

It is an arithmetic number, because the mean of its divisors is an integer number (13008408).

Almost surely, 2^64422566 is an apocalyptic number.

64422566 is a deficient number, since it is larger than the sum of its proper divisors (39644698).

64422566 is a wasteful number, since it uses less digits than its factorization.

64422566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477806.

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

The square root of 64422566 is about 8026.3669240822. The cubic root of 64422566 is about 400.8784153873.

The spelling of 64422566 in words is "sixty-four million, four hundred twenty-two thousand, five hundred sixty-six".