822057043 has 2 divisors, whose sum is σ = 822057044. Its totient is φ = 822057042.

The previous prime is 822057037. The next prime is 822057073. The reversal of 822057043 is 340750228.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822057043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 822056996 and 822057014.

It is not a weakly prime, because it can be changed into another prime (822057023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411028521 + 411028522.

It is an arithmetic number, because the mean of its divisors is an integer number (411028522).

Almost surely, 2^822057043 is an apocalyptic number.

822057043 is a deficient number, since it is larger than the sum of its proper divisors (1).

822057043 is an equidigital number, since it uses as much as digits as its factorization.

822057043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 822057043 is about 28671.5371579551. The cubic root of 822057043 is about 936.7721803070.

The spelling of 822057043 in words is "eight hundred twenty-two million, fifty-seven thousand, forty-three".