212332227 has 16 divisors (see below), whose sum is σ = 300057120. Its totient is φ = 133097472.

The previous prime is 212332213. The next prime is 212332243. The reversal of 212332227 is 722233212.

It is not a de Polignac number, because 212332227 - 2¹⁴ = 212315843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212332197 and 212332206.

It is not an unprimeable number, because it can be changed into a prime (212332207) 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 15 ways as a sum of consecutive naturals, for example, 100599 + ... + 102687.

It is an arithmetic number, because the mean of its divisors is an integer number (18753570).

Almost surely, 2^212332227 is an apocalyptic number.

212332227 is a deficient number, since it is larger than the sum of its proper divisors (87724893).

212332227 is a wasteful number, since it uses less digits than its factorization.

212332227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102.

The product of its digits is 2016, while the sum is 24.

The square root of 212332227 is about 14571.6240344033. The cubic root of 212332227 is about 596.5845081401.

Adding to 212332227 its reverse (722233212), we get a palindrome (934565439).

The spelling of 212332227 in words is "two hundred twelve million, three hundred thirty-two thousand, two hundred twenty-seven".