8889229 has 2 divisors, whose sum is σ = 8889230. Its totient is φ = 8889228.

The previous prime is 8889203. The next prime is 8889233. The reversal of 8889229 is 9229888.

It is a happy number.

8889229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6901129 + 1988100 = 2627^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 8889229 - 2¹⁷ = 8758157 is a prime.

8889229 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8889329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444614 + 4444615.

It is an arithmetic number, because the mean of its divisors is an integer number (4444615).

Almost surely, 2^8889229 is an apocalyptic number.

It is an amenable number.

8889229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8889229 is an equidigital number, since it uses as much as digits as its factorization.

8889229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 46.

The square root of 8889229 is about 2981.4810078214. The cubic root of 8889229 is about 207.1514757073.

The spelling of 8889229 in words is "eight million, eight hundred eighty-nine thousand, two hundred twenty-nine".