223220215 has 8 divisors (see below), whose sum is σ = 271862640. Its totient is φ = 175910592.

The previous prime is 223220213. The next prime is 223220281. The reversal of 223220215 is 512022322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223220215 - 2¹ = 223220213 is a prime.

It is a super-3 number, since 3×223220215³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223220192 and 223220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332830 + ... + 333499.

It is an arithmetic number, because the mean of its divisors is an integer number (33982830).

Almost surely, 2^223220215 is an apocalyptic number.

223220215 is a deficient number, since it is larger than the sum of its proper divisors (48642425).

223220215 is an equidigital number, since it uses as much as digits as its factorization.

223220215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666401.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 223220215 is about 14940.5560472159. The cubic root of 223220215 is about 606.6122468930.

Adding to 223220215 its reverse (512022322), we get a palindrome (735242537).

The spelling of 223220215 in words is "two hundred twenty-three million, two hundred twenty thousand, two hundred fifteen".