8722501 has 16 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 7830000.

The previous prime is 8722499. The next prime is 8722517. The reversal of 8722501 is 1052278.

It is a cyclic number.

It is not a de Polignac number, because 8722501 - 2¹ = 8722499 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 34626 + ... + 34876.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^8722501 is an apocalyptic number.

It is an amenable number.

8722501 is a deficient number, since it is larger than the sum of its proper divisors (954299).

8722501 is a wasteful number, since it uses less digits than its factorization.

8722501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 8722501 is about 2953.3880544216. The cubic root of 8722501 is about 205.8481694555.

Adding to 8722501 its reverse (1052278), we get a palindrome (9774779).

The spelling of 8722501 in words is "eight million, seven hundred twenty-two thousand, five hundred one".