28822823 has 2 divisors, whose sum is σ = 28822824. Its totient is φ = 28822822.

The previous prime is 28822819. The next prime is 28822853. The reversal of 28822823 is 32822882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28822823 - 2² = 28822819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28822853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14411411 + 14411412.

It is an arithmetic number, because the mean of its divisors is an integer number (14411412).

Almost surely, 2^28822823 is an apocalyptic number.

28822823 is a deficient number, since it is larger than the sum of its proper divisors (1).

28822823 is an equidigital number, since it uses as much as digits as its factorization.

28822823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 35.

The square root of 28822823 is about 5368.6891323674. The cubic root of 28822823 is about 306.6047213939.

The spelling of 28822823 in words is "twenty-eight million, eight hundred twenty-two thousand, eight hundred twenty-three".