822612073 has 2 divisors, whose sum is σ = 822612074. Its totient is φ = 822612072.

The previous prime is 822612067. The next prime is 822612113. The reversal of 822612073 is 370216228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 684502569 + 138109504 = 26163^2 + 11752^2 .

It is a cyclic number.

It is not a de Polignac number, because 822612073 - 2⁹ = 822611561 is a prime.

It is not a weakly prime, because it can be changed into another prime (822612673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411306036 + 411306037.

It is an arithmetic number, because the mean of its divisors is an integer number (411306037).

Almost surely, 2^822612073 is an apocalyptic number.

It is an amenable number.

822612073 is a deficient number, since it is larger than the sum of its proper divisors (1).

822612073 is an equidigital number, since it uses as much as digits as its factorization.

822612073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 822612073 is about 28681.2146360645. The cubic root of 822612073 is about 936.9829603641.

The spelling of 822612073 in words is "eight hundred twenty-two million, six hundred twelve thousand, seventy-three".