222213215 has 16 divisors (see below), whose sum is σ = 305310720. Its totient is φ = 152094240.

The previous prime is 222213203. The next prime is 222213217. The reversal of 222213215 is 512312222.

It is not a de Polignac number, because 222213215 - 2²⁰ = 221164639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213217) 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, 14426 + ... + 25544.

It is an arithmetic number, because the mean of its divisors is an integer number (19081920).

Almost surely, 2^222213215 is an apocalyptic number.

222213215 is a deficient number, since it is larger than the sum of its proper divisors (83097505).

222213215 is a wasteful number, since it uses less digits than its factorization.

222213215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702.

The product of its digits is 480, while the sum is 20.

The square root of 222213215 is about 14906.8177355195. The cubic root of 222213215 is about 605.6986805623.

Adding to 222213215 its reverse (512312222), we get a palindrome (734525437).

The spelling of 222213215 in words is "two hundred twenty-two million, two hundred thirteen thousand, two hundred fifteen".