213322223 has 2 divisors, whose sum is σ = 213322224. Its totient is φ = 213322222.

The previous prime is 213322211. The next prime is 213322247. The reversal of 213322223 is 322223312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213322223 - 2⁶ = 213322159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213322195 and 213322204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213322523) 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, 106661111 + 106661112.

It is an arithmetic number, because the mean of its divisors is an integer number (106661112).

Almost surely, 2^213322223 is an apocalyptic number.

213322223 is a deficient number, since it is larger than the sum of its proper divisors (1).

213322223 is an equidigital number, since it uses as much as digits as its factorization.

213322223 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 213322223 is about 14605.5545255906. The cubic root of 213322223 is about 597.5102597983.

Adding to 213322223 its reverse (322223312), we get a palindrome (535545535).

The spelling of 213322223 in words is "two hundred thirteen million, three hundred twenty-two thousand, two hundred twenty-three".