8779222 has 4 divisors (see below), whose sum is σ = 13168836. Its totient is φ = 4389610.

The previous prime is 8779217. The next prime is 8779237. The reversal of 8779222 is 2229778.

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, 2194804 + ... + 2194807.

It is an arithmetic number, because the mean of its divisors is an integer number (3292209).

Almost surely, 2^8779222 is an apocalyptic number.

8779222 is a deficient number, since it is larger than the sum of its proper divisors (4389614).

8779222 is a wasteful number, since it uses less digits than its factorization.

8779222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389613.

The product of its digits is 28224, while the sum is 37.

The square root of 8779222 is about 2962.9751939562. The cubic root of 8779222 is about 206.2934047615.

The spelling of 8779222 in words is "eight million, seven hundred seventy-nine thousand, two hundred twenty-two".