212324227 has 2 divisors, whose sum is σ = 212324228. Its totient is φ = 212324226.

The previous prime is 212324207. The next prime is 212324249. The reversal of 212324227 is 722423212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212324227 - 2²³ = 203935619 is a prime.

It is a super-2 number, since 2×212324227² = 90163154742295058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212324207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106162113 + 106162114.

It is an arithmetic number, because the mean of its divisors is an integer number (106162114).

Almost surely, 2^212324227 is an apocalyptic number.

212324227 is a deficient number, since it is larger than the sum of its proper divisors (1).

212324227 is an equidigital number, since it uses as much as digits as its factorization.

212324227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 25.

The square root of 212324227 is about 14571.3495256960. The cubic root of 212324227 is about 596.5770155799.

Adding to 212324227 its reverse (722423212), we get a palindrome (934747439).

The spelling of 212324227 in words is "two hundred twelve million, three hundred twenty-four thousand, two hundred twenty-seven".