8773220 has 12 divisors (see below), whose sum is σ = 18423804. Its totient is φ = 3509280.

The previous prime is 8773211. The next prime is 8773223. The reversal of 8773220 is 223778.

8773220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 6635776 = 1462^2 + 2576^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8773223) 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, 219311 + ... + 219350.

It is an arithmetic number, because the mean of its divisors is an integer number (1535317).

Almost surely, 2^8773220 is an apocalyptic number.

It is an amenable number.

8773220 is an abundant number, since it is smaller than the sum of its proper divisors (9650584).

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

8773220 is a wasteful number, since it uses less digits than its factorization.

8773220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438670 (or 438668 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 8773220 is about 2961.9621874697. The cubic root of 8773220 is about 206.2463825506.

Adding to 8773220 its reverse (223778), we get a palindrome (8996998).

The spelling of 8773220 in words is "eight million, seven hundred seventy-three thousand, two hundred twenty".