223012215 has 48 divisors (see below), whose sum is σ = 411247200. Its totient is φ = 111476736.

The previous prime is 223012213. The next prime is 223012219. The reversal of 223012215 is 512210322.

It is not a de Polignac number, because 223012215 - 2¹ = 223012213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012213) 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 47 ways as a sum of consecutive naturals, for example, 81591 + ... + 84279.

It is an arithmetic number, because the mean of its divisors is an integer number (8567650).

Almost surely, 2^223012215 is an apocalyptic number.

223012215 is a deficient number, since it is larger than the sum of its proper divisors (188234985).

223012215 is a wasteful number, since it uses less digits than its factorization.

223012215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 223012215 is about 14933.5935059181. The cubic root of 223012215 is about 606.4237714924.

Adding to 223012215 its reverse (512210322), we get a palindrome (735222537).

The spelling of 223012215 in words is "two hundred twenty-three million, twelve thousand, two hundred fifteen".