43222033 has 2 divisors, whose sum is σ = 43222034. Its totient is φ = 43222032.

The previous prime is 43221961. The next prime is 43222051. The reversal of 43222033 is 33022234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33907329 + 9314704 = 5823^2 + 3052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43222033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43222033.

It is not a weakly prime, because it can be changed into another prime (43226033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611016 + 21611017.

It is an arithmetic number, because the mean of its divisors is an integer number (21611017).

Almost surely, 2^43222033 is an apocalyptic number.

It is an amenable number.

43222033 is a deficient number, since it is larger than the sum of its proper divisors (1).

43222033 is an equidigital number, since it uses as much as digits as its factorization.

43222033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 43222033 is about 6574.3465835017. The cubic root of 43222033 is about 350.9417711163.

Adding to 43222033 its reverse (33022234), we get a palindrome (76244267).

The spelling of 43222033 in words is "forty-three million, two hundred twenty-two thousand, thirty-three".