32122213 has 2 divisors, whose sum is σ = 32122214. Its totient is φ = 32122212.

The previous prime is 32122201. The next prime is 32122241. The reversal of 32122213 is 31222123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24186724 + 7935489 = 4918^2 + 2817^2 .

It is an emirp because it is prime and its reverse (31222123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32122213 - 2¹³ = 32114021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32122273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16061106 + 16061107.

It is an arithmetic number, because the mean of its divisors is an integer number (16061107).

Almost surely, 2^32122213 is an apocalyptic number.

It is an amenable number.

32122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

32122213 is an equidigital number, since it uses as much as digits as its factorization.

32122213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 16.

The square root of 32122213 is about 5667.6461604444. The cubic root of 32122213 is about 317.8838657978.

Adding to 32122213 its reverse (31222123), we get a palindrome (63344336).

The spelling of 32122213 in words is "thirty-two million, one hundred twenty-two thousand, two hundred thirteen".