8722426 has 8 divisors (see below), whose sum is σ = 13206240. Its totient is φ = 4320348.

The previous prime is 8722423. The next prime is 8722429. The reversal of 8722426 is 6242278.

It is an interprime number because it is at equal distance from previous prime (8722423) and next prime (8722429).

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

It is not an unprimeable number, because it can be changed into a prime (8722423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20166 + ... + 20593.

It is an arithmetic number, because the mean of its divisors is an integer number (1650780).

Almost surely, 2^8722426 is an apocalyptic number.

8722426 is a deficient number, since it is larger than the sum of its proper divisors (4483814).

8722426 is a wasteful number, since it uses less digits than its factorization.

8722426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40868.

The product of its digits is 10752, while the sum is 31.

The square root of 8722426 is about 2953.3753571126. The cubic root of 8722426 is about 205.8475794620.

The spelling of 8722426 in words is "eight million, seven hundred twenty-two thousand, four hundred twenty-six".