822982129 has 2 divisors, whose sum is σ = 822982130. Its totient is φ = 822982128.

The previous prime is 822982123. The next prime is 822982219. The reversal of 822982129 is 921289228.

Together with next prime (822982219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799362529 + 23619600 = 28273^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 822982129 - 2⁹ = 822981617 is a prime.

It is not a weakly prime, because it can be changed into another prime (822982123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411491064 + 411491065.

It is an arithmetic number, because the mean of its divisors is an integer number (411491065).

Almost surely, 2^822982129 is an apocalyptic number.

It is an amenable number.

822982129 is a deficient number, since it is larger than the sum of its proper divisors (1).

822982129 is an equidigital number, since it uses as much as digits as its factorization.

822982129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 43.

The square root of 822982129 is about 28687.6651019214. The cubic root of 822982129 is about 937.1234413989.

The spelling of 822982129 in words is "eight hundred twenty-two million, nine hundred eighty-two thousand, one hundred twenty-nine".