8578422 has 12 divisors (see below), whose sum is σ = 18586620. Its totient is φ = 2859468.

The previous prime is 8578417. The next prime is 8578439. The reversal of 8578422 is 2248758.

It is a happy number.

8578422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238272 + ... + 238307.

It is an arithmetic number, because the mean of its divisors is an integer number (1548885).

Almost surely, 2^8578422 is an apocalyptic number.

8578422 is an abundant number, since it is smaller than the sum of its proper divisors (10008198).

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

8578422 is a wasteful number, since it uses less digits than its factorization.

8578422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476587 (or 476584 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 8578422 is about 2928.8943306306. The cubic root of 8578422 is about 204.7084652340.

The spelling of 8578422 in words is "eight million, five hundred seventy-eight thousand, four hundred twenty-two".