8772223 has 4 divisors (see below), whose sum is σ = 9153648. Its totient is φ = 8390800.

The previous prime is 8772209. The next prime is 8772229. The reversal of 8772223 is 3222778.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8772223 is a prime.

It is a Duffinian number.

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, 190678 + ... + 190723.

It is an arithmetic number, because the mean of its divisors is an integer number (2288412).

Almost surely, 2^8772223 is an apocalyptic number.

8772223 is a deficient number, since it is larger than the sum of its proper divisors (381425).

8772223 is a wasteful number, since it uses less digits than its factorization.

8772223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381424.

The product of its digits is 9408, while the sum is 31.

The square root of 8772223 is about 2961.7938820924. The cubic root of 8772223 is about 206.2385695532.

The spelling of 8772223 in words is "eight million, seven hundred seventy-two thousand, two hundred twenty-three".