33022861 has 2 divisors, whose sum is σ = 33022862. Its totient is φ = 33022860.

The previous prime is 33022853. The next prime is 33022867. The reversal of 33022861 is 16822033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22033636 + 10989225 = 4694^2 + 3315^2 .

It is a cyclic number.

It is not a de Polignac number, because 33022861 - 2³ = 33022853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33022867) 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, 16511430 + 16511431.

It is an arithmetic number, because the mean of its divisors is an integer number (16511431).

Almost surely, 2^33022861 is an apocalyptic number.

It is an amenable number.

33022861 is a deficient number, since it is larger than the sum of its proper divisors (1).

33022861 is an equidigital number, since it uses as much as digits as its factorization.

33022861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 33022861 is about 5746.5520966924. The cubic root of 33022861 is about 320.8274840260.

Adding to 33022861 its reverse (16822033), we get a palindrome (49844894).

The spelling of 33022861 in words is "thirty-three million, twenty-two thousand, eight hundred sixty-one".