8724422 has 16 divisors (see below), whose sum is σ = 15275520. Its totient is φ = 3659208.

The previous prime is 8724421. The next prime is 8724437. The reversal of 8724422 is 2244278.

8724422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8724422² = 152231078468168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8724421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972 + ... + 7287.

It is an arithmetic number, because the mean of its divisors is an integer number (954720).

Almost surely, 2^8724422 is an apocalyptic number.

8724422 is a deficient number, since it is larger than the sum of its proper divisors (6551098).

8724422 is a wasteful number, since it uses less digits than its factorization.

8724422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13315.

The product of its digits is 7168, while the sum is 29.

The square root of 8724422 is about 2953.7132562251. The cubic root of 8724422 is about 205.8632800034.

The spelling of 8724422 in words is "eight million, seven hundred twenty-four thousand, four hundred twenty-two".