8022478 has 4 divisors (see below), whose sum is σ = 12033720. Its totient is φ = 4011238.

The previous prime is 8022457. The next prime is 8022491. The reversal of 8022478 is 8742208.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005618 + ... + 2005621.

It is an arithmetic number, because the mean of its divisors is an integer number (3008430).

Almost surely, 2^8022478 is an apocalyptic number.

8022478 is a deficient number, since it is larger than the sum of its proper divisors (4011242).

8022478 is a wasteful number, since it uses less digits than its factorization.

8022478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011241.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 8022478 is about 2832.3979240213. The cubic root of 8022478 is about 200.1871415023.

The spelling of 8022478 in words is "eight million, twenty-two thousand, four hundred seventy-eight".