8722442 has 16 divisors (see below), whose sum is σ = 13409280. Its totient is φ = 4253952.

The previous prime is 8722429. The next prime is 8722447. The reversal of 8722442 is 2442278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8722447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22583 + ... + 22965.

It is an arithmetic number, because the mean of its divisors is an integer number (838080).

Almost surely, 2^8722442 is an apocalyptic number.

8722442 is a deficient number, since it is larger than the sum of its proper divisors (4686838).

8722442 is a wasteful number, since it uses less digits than its factorization.

8722442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

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

The square root of 8722442 is about 2953.3780658764. The cubic root of 8722442 is about 205.8477053276.

The spelling of 8722442 in words is "eight million, seven hundred twenty-two thousand, four hundred forty-two".