64571422 has 8 divisors (see below), whose sum is σ = 96895872. Its totient is φ = 32272800.

The previous prime is 64571411. The next prime is 64571449. The reversal of 64571422 is 22417546.

64571422 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 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 3 ways as a sum of consecutive naturals, for example, 2022 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (12111984).

Almost surely, 2^64571422 is an apocalyptic number.

64571422 is a deficient number, since it is larger than the sum of its proper divisors (32324450).

64571422 is a wasteful number, since it uses less digits than its factorization.

64571422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914.

The product of its digits is 13440, while the sum is 31.

The square root of 64571422 is about 8035.6345113501. The cubic root of 64571422 is about 401.1869369679.

Adding to 64571422 its reverse (22417546), we get a palindrome (86988968).

The spelling of 64571422 in words is "sixty-four million, five hundred seventy-one thousand, four hundred twenty-two".