8422560 has 72 divisors (see below), whose sum is σ = 28746900. Its totient is φ = 2245632.

The previous prime is 8422559. The next prime is 8422571. The reversal of 8422560 is 652248.

8422560 is a `hidden beast` number, since 84 + 22 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8225424 + 197136 = 2868^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1485 + ... + 4364.

Almost surely, 2^8422560 is an apocalyptic number.

8422560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8422560 is an abundant number, since it is smaller than the sum of its proper divisors (20324340).

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

8422560 is a wasteful number, since it uses less digits than its factorization.

8422560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8422560 is about 2902.1647093161. The cubic root of 8422560 is about 203.4610920349.

The spelling of 8422560 in words is "eight million, four hundred twenty-two thousand, five hundred sixty".