64422448 has 20 divisors (see below), whose sum is σ = 130246128. Its totient is φ = 30810560.

The previous prime is 64422409. The next prime is 64422451. The reversal of 64422448 is 84422446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87163 + ... + 87898.

Almost surely, 2^64422448 is an apocalyptic number.

It is an amenable number.

64422448 is an abundant number, since it is smaller than the sum of its proper divisors (65823680).

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

64422448 is a wasteful number, since it uses less digits than its factorization.

64422448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175092 (or 175086 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 64422448 is about 8026.3595733059. The cubic root of 64422448 is about 400.8781706300.

The spelling of 64422448 in words is "sixty-four million, four hundred twenty-two thousand, four hundred forty-eight".