212203223 has 2 divisors, whose sum is σ = 212203224. Its totient is φ = 212203222.

The previous prime is 212203193. The next prime is 212203253. The reversal of 212203223 is 322302212.

It is a balanced prime because it is at equal distance from previous prime (212203193) and next prime (212203253).

It is a cyclic number.

It is not a de Polignac number, because 212203223 - 2¹⁴ = 212186839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212203253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101611 + 106101612.

It is an arithmetic number, because the mean of its divisors is an integer number (106101612).

Almost surely, 2^212203223 is an apocalyptic number.

212203223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212203223 is an equidigital number, since it uses as much as digits as its factorization.

212203223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212203223 is about 14567.1968133886. The cubic root of 212203223 is about 596.4636639008.

Adding to 212203223 its reverse (322302212), we get a palindrome (534505435).

The spelling of 212203223 in words is "two hundred twelve million, two hundred three thousand, two hundred twenty-three".