64422570 has 16 divisors (see below), whose sum is σ = 154614240. Its totient is φ = 17179344.

The previous prime is 64422569. The next prime is 64422623. The reversal of 64422570 is 7522446.

64422570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2147419 = 64422570 / (6 + 4 + 4 + 2 + 2 + 5 + 7 + 0).

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 1073680 + ... + 1073739.

It is an arithmetic number, because the mean of its divisors is an integer number (9663390).

Almost surely, 2^64422570 is an apocalyptic number.

64422570 is an abundant number, since it is smaller than the sum of its proper divisors (90191670).

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

64422570 is a wasteful number, since it uses less digits than its factorization.

64422570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147429.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 64422570 is about 8026.3671732609. The cubic root of 64422570 is about 400.8784236841.

The spelling of 64422570 in words is "sixty-four million, four hundred twenty-two thousand, five hundred seventy".