8722245 has 24 divisors (see below), whose sum is σ = 16235424. Its totient is φ = 3986976.

The previous prime is 8722237. The next prime is 8722283. The reversal of 8722245 is 5422278.

It is not a de Polignac number, because 8722245 - 2³ = 8722237 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5199 + ... + 6668.

It is an arithmetic number, because the mean of its divisors is an integer number (676476).

Almost surely, 2^8722245 is an apocalyptic number.

It is an amenable number.

8722245 is a deficient number, since it is larger than the sum of its proper divisors (7513179).

8722245 is a wasteful number, since it uses less digits than its factorization.

8722245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11889 (or 11882 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 8722245 is about 2953.3447140488. The cubic root of 8722245 is about 205.8461555971.

The spelling of 8722245 in words is "eight million, seven hundred twenty-two thousand, two hundred forty-five".