8722238 has 8 divisors (see below), whose sum is σ = 14952432. Its totient is φ = 3738096.

The previous prime is 8722237. The next prime is 8722283. The reversal of 8722238 is 8322278.

8722238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8722237) 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, 311495 + ... + 311522.

It is an arithmetic number, because the mean of its divisors is an integer number (1869054).

Almost surely, 2^8722238 is an apocalyptic number.

8722238 is a deficient number, since it is larger than the sum of its proper divisors (6230194).

8722238 is a wasteful number, since it uses less digits than its factorization.

8722238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623026.

The product of its digits is 10752, while the sum is 32.

The square root of 8722238 is about 2953.3435289516. The cubic root of 8722238 is about 205.8461005301.

The spelling of 8722238 in words is "eight million, seven hundred twenty-two thousand, two hundred thirty-eight".