212414223 has 16 divisors (see below), whose sum is σ = 337752576. Its totient is φ = 116101920.

The previous prime is 212414207. The next prime is 212414233. The reversal of 212414223 is 322414212.

It is not a de Polignac number, because 212414223 - 2⁴ = 212414207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 212414223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212414203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219408 + ... + 220373.

It is an arithmetic number, because the mean of its divisors is an integer number (21109536).

Almost surely, 2^212414223 is an apocalyptic number.

212414223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212414223 is a deficient number, since it is larger than the sum of its proper divisors (125338353).

212414223 is a wasteful number, since it uses less digits than its factorization.

212414223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439814.

The product of its digits is 768, while the sum is 21.

The square root of 212414223 is about 14574.4373133236. The cubic root of 212414223 is about 596.6612922888.

Adding to 212414223 its reverse (322414212), we get a palindrome (534828435).

The spelling of 212414223 in words is "two hundred twelve million, four hundred fourteen thousand, two hundred twenty-three".