332222213 has 2 divisors, whose sum is σ = 332222214. Its totient is φ = 332222212.

The previous prime is 332222203. The next prime is 332222227. The reversal of 332222213 is 312222233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274962724 + 57259489 = 16582^2 + 7567^2 .

It is an emirp because it is prime and its reverse (312222233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332222213 - 2⁸ = 332221957 is a prime.

It is a super-2 number, since 2×332222213² = 220743197621234738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332222203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166111106 + 166111107.

It is an arithmetic number, because the mean of its divisors is an integer number (166111107).

Almost surely, 2^332222213 is an apocalyptic number.

It is an amenable number.

332222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

332222213 is an equidigital number, since it uses as much as digits as its factorization.

332222213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 332222213 is about 18226.9638996735. The cubic root of 332222213 is about 692.5900089358.

Adding to 332222213 its sum of digits (20), we get a palindrome (332222233).

Adding to 332222213 its reverse (312222233), we get a palindrome (644444446).

The spelling of 332222213 in words is "three hundred thirty-two million, two hundred twenty-two thousand, two hundred thirteen".