222001933 has 2 divisors, whose sum is σ = 222001934. Its totient is φ = 222001932.

The previous prime is 222001907. The next prime is 222001937. The reversal of 222001933 is 339100222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221950404 + 51529 = 14898^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 222001933 - 2¹³ = 221993741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222001937) 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, 111000966 + 111000967.

It is an arithmetic number, because the mean of its divisors is an integer number (111000967).

Almost surely, 2^222001933 is an apocalyptic number.

It is an amenable number.

222001933 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001933 is an equidigital number, since it uses as much as digits as its factorization.

222001933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 222001933 is about 14899.7292928429. The cubic root of 222001933 is about 605.5066520649.

The spelling of 222001933 in words is "two hundred twenty-two million, one thousand, nine hundred thirty-three".