8772222 has 8 divisors (see below), whose sum is σ = 17544456. Its totient is φ = 2924072.

The previous prime is 8772209. The next prime is 8772229. The reversal of 8772222 is 2222778.

It is a sphenic number, since it is the product of 3 distinct primes.

8772222 is an admirable number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8772222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8772229) 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, 731013 + ... + 731024.

It is an arithmetic number, because the mean of its divisors is an integer number (2193057).

Almost surely, 2^8772222 is an apocalyptic number.

8772222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8772222 is a wasteful number, since it uses less digits than its factorization.

8772222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462042.

The product of its digits is 6272, while the sum is 30.

The square root of 8772222 is about 2961.7937132758. The cubic root of 8772222 is about 206.2385617164.

The spelling of 8772222 in words is "eight million, seven hundred seventy-two thousand, two hundred twenty-two".