212224423 has 2 divisors, whose sum is σ = 212224424. Its totient is φ = 212224422.

The previous prime is 212224421. The next prime is 212224451. The reversal of 212224423 is 324422212.

212224423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212224423 - 2¹ = 212224421 is a prime.

Together with 212224421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 212224394 and 212224403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212224421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106112211 + 106112212.

It is an arithmetic number, because the mean of its divisors is an integer number (106112212).

Almost surely, 2^212224423 is an apocalyptic number.

212224423 is a deficient number, since it is larger than the sum of its proper divisors (1).

212224423 is an equidigital number, since it uses as much as digits as its factorization.

212224423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 22.

The square root of 212224423 is about 14567.9244575197. The cubic root of 212224423 is about 596.4835263208.

Adding to 212224423 its reverse (324422212), we get a palindrome (536646635).

The spelling of 212224423 in words is "two hundred twelve million, two hundred twenty-four thousand, four hundred twenty-three".