33223061 has 2 divisors, whose sum is σ = 33223062. Its totient is φ = 33223060.

The previous prime is 33223051. The next prime is 33223087. The reversal of 33223061 is 16032233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 2907025 = 5506^2 + 1705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33223061 is a prime.

It is a super-2 number, since 2×33223061² = 2207543564419442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33223051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16611530 + 16611531.

It is an arithmetic number, because the mean of its divisors is an integer number (16611531).

Almost surely, 2^33223061 is an apocalyptic number.

It is an amenable number.

33223061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33223061 is an equidigital number, since it uses as much as digits as its factorization.

33223061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 33223061 is about 5763.9449164613. The cubic root of 33223061 is about 321.4745135789.

Adding to 33223061 its reverse (16032233), we get a palindrome (49255294).

The spelling of 33223061 in words is "thirty-three million, two hundred twenty-three thousand, sixty-one".