8722818 has 24 divisors (see below), whose sum is σ = 20353788. Its totient is φ = 2683872.

The previous prime is 8722799. The next prime is 8722829. The reversal of 8722818 is 8182278.

It can be written as a sum of positive squares in 2 ways, for example, as 6185169 + 2537649 = 2487^2 + 1593^2 .

It is a super-2 number, since 2×8722818² = 152175107722248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18405 + ... + 18872.

Almost surely, 2^8722818 is an apocalyptic number.

8722818 is an abundant number, since it is smaller than the sum of its proper divisors (11630970).

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

8722818 is a wasteful number, since it uses less digits than its factorization.

8722818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37298 (or 37295 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 8722818 is about 2953.4417211112. The cubic root of 8722818 is about 205.8506631241.

The spelling of 8722818 in words is "eight million, seven hundred twenty-two thousand, eight hundred eighteen".