8222387 has 4 divisors (see below), whose sum is σ = 8302320. Its totient is φ = 8142456.

The previous prime is 8222377. The next prime is 8222393. The reversal of 8222387 is 7832228.

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

It is a cyclic number.

It is not a de Polignac number, because 8222387 - 2⁶ = 8222323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8222377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39812 + ... + 40017.

It is an arithmetic number, because the mean of its divisors is an integer number (2075580).

Almost surely, 2^8222387 is an apocalyptic number.

8222387 is a deficient number, since it is larger than the sum of its proper divisors (79933).

8222387 is a wasteful number, since it uses less digits than its factorization.

8222387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79932.

The product of its digits is 10752, while the sum is 32.

The square root of 8222387 is about 2867.4704880783. The cubic root of 8222387 is about 201.8363131686.

The spelling of 8222387 in words is "eight million, two hundred twenty-two thousand, three hundred eighty-seven".