822065139 has 32 divisors (see below), whose sum is σ = 1418135040. Its totient is φ = 460882656.

The previous prime is 822065093. The next prime is 822065173. The reversal of 822065139 is 931560228.

It is not a de Polignac number, because 822065139 - 2⁹ = 822064627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (822065239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31017 + ... + 51050.

It is an arithmetic number, because the mean of its divisors is an integer number (44316720).

Almost surely, 2^822065139 is an apocalyptic number.

822065139 is a deficient number, since it is larger than the sum of its proper divisors (596069901).

822065139 is a wasteful number, since it uses less digits than its factorization.

822065139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82136 (or 82130 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 822065139 is about 28671.6783429223. The cubic root of 822065139 is about 936.7752555529.

The spelling of 822065139 in words is "eight hundred twenty-two million, sixty-five thousand, one hundred thirty-nine".