8722829 has 2 divisors, whose sum is σ = 8722830. Its totient is φ = 8722828.

The previous prime is 8722799. The next prime is 8722841. The reversal of 8722829 is 9282278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6620329 + 2102500 = 2573^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722829 - 2¹² = 8718733 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8722792 and 8722801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8722859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4361414 + 4361415.

It is an arithmetic number, because the mean of its divisors is an integer number (4361415).

Almost surely, 2^8722829 is an apocalyptic number.

It is an amenable number.

8722829 is a deficient number, since it is larger than the sum of its proper divisors (1).

8722829 is an equidigital number, since it uses as much as digits as its factorization.

8722829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 8722829 is about 2953.4435833447. The cubic root of 8722829 is about 205.8507496541.

The spelling of 8722829 in words is "eight million, seven hundred twenty-two thousand, eight hundred twenty-nine".