212416223 has 4 divisors (see below), whose sum is σ = 218157240. Its totient is φ = 206675208.

The previous prime is 212416199. The next prime is 212416279. The reversal of 212416223 is 322614212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212416223 - 2⁶ = 212416159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212416283) 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 in 3 ways as a sum of consecutive naturals, for example, 2870453 + ... + 2870526.

It is an arithmetic number, because the mean of its divisors is an integer number (54539310).

Almost surely, 2^212416223 is an apocalyptic number.

212416223 is a deficient number, since it is larger than the sum of its proper divisors (5741017).

212416223 is an equidigital number, since it uses as much as digits as its factorization.

212416223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741016.

The product of its digits is 1152, while the sum is 23.

The square root of 212416223 is about 14574.5059264457. The cubic root of 212416223 is about 596.6631649174.

The spelling of 212416223 in words is "two hundred twelve million, four hundred sixteen thousand, two hundred twenty-three".