8722633 has 4 divisors (see below), whose sum is σ = 8729028. Its totient is φ = 8716240.

The previous prime is 8722631. The next prime is 8722643. The reversal of 8722633 is 3362278.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4613904 + 4108729 = 2148^2 + 2027^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722633 - 2¹ = 8722631 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8⁵ + 7 + 2¹³ + 2²³ + 6⁷ + 3⁸ + 3⁸ .

It is a Duffinian number.

8722633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8722595 and 8722604.

It is not an unprimeable number, because it can be changed into a prime (8722631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (2182257).

Almost surely, 2^8722633 is an apocalyptic number.

It is an amenable number.

8722633 is a deficient number, since it is larger than the sum of its proper divisors (6395).

8722633 is a wasteful number, since it uses less digits than its factorization.

8722633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394.

The product of its digits is 12096, while the sum is 31.

The square root of 8722633 is about 2953.4104015528. The cubic root of 8722633 is about 205.8492078359.

The spelling of 8722633 in words is "eight million, seven hundred twenty-two thousand, six hundred thirty-three".