32221109 has 2 divisors, whose sum is σ = 32221110. Its totient is φ = 32221108.

The previous prime is 32221099. The next prime is 32221151. The reversal of 32221109 is 90112223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 3598609 = 5350^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 32221109 - 2¹⁶ = 32155573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32221199) 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, 16110554 + 16110555.

It is an arithmetic number, because the mean of its divisors is an integer number (16110555).

Almost surely, 2^32221109 is an apocalyptic number.

It is an amenable number.

32221109 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221109 is an equidigital number, since it uses as much as digits as its factorization.

32221109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 32221109 is about 5676.3640651389. The cubic root of 32221109 is about 318.2097590281.

The spelling of 32221109 in words is "thirty-two million, two hundred twenty-one thousand, one hundred nine".