83022704221 has 2 divisors, whose sum is σ = 83022704222. Its totient is φ = 83022704220.

The previous prime is 83022704189. The next prime is 83022704243. The reversal of 83022704221 is 12240722038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81875527321 + 1147176900 = 286139^2 + 33870^2 .

It is a cyclic number.

It is not a de Polignac number, because 83022704221 - 2⁵ = 83022704189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83022704321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41511352110 + 41511352111.

It is an arithmetic number, because the mean of its divisors is an integer number (41511352111).

Almost surely, 2^83022704221 is an apocalyptic number.

It is an amenable number.

83022704221 is a deficient number, since it is larger than the sum of its proper divisors (1).

83022704221 is an equidigital number, since it uses as much as digits as its factorization.

83022704221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 83022704221 in words is "eighty-three billion, twenty-two million, seven hundred four thousand, two hundred twenty-one".