64422446 has 32 divisors (see below), whose sum is σ = 108103680. Its totient is φ = 28548000.

The previous prime is 64422409. The next prime is 64422451.

64422446 is nontrivially palindromic in base 10.

64422446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 175355 + ... + 175721.

It is an arithmetic number, because the mean of its divisors is an integer number (3378240).

Almost surely, 2^64422446 is an apocalyptic number.

64422446 is a deficient number, since it is larger than the sum of its proper divisors (43681234).

64422446 is a wasteful number, since it uses less digits than its factorization.

64422446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 36864, while the sum is 32.

The square root of 64422446 is about 8026.3594487165. The cubic root of 64422446 is about 400.8781664815.

It can be divided in two parts, 6442 and 2446, that added together give a palindrome (8888).

The spelling of 64422446 in words is "sixty-four million, four hundred twenty-two thousand, four hundred forty-six".