8722542 has 16 divisors (see below), whose sum is σ = 17816832. Its totient is φ = 2845560.

The previous prime is 8722541. The next prime is 8722603. The reversal of 8722542 is 2452278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8722541) 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, 15184 + ... + 15747.

It is an arithmetic number, because the mean of its divisors is an integer number (1113552).

Almost surely, 2^8722542 is an apocalyptic number.

8722542 is an abundant number, since it is smaller than the sum of its proper divisors (9094290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8722542 is a wasteful number, since it uses less digits than its factorization.

8722542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30983.

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

The square root of 8722542 is about 2953.3949955941. The cubic root of 8722542 is about 205.8484919839.

The spelling of 8722542 in words is "eight million, seven hundred twenty-two thousand, five hundred forty-two".