222216115 has 32 divisors (see below), whose sum is σ = 307607040. Its totient is φ = 152409600.

The previous prime is 222216089. The next prime is 222216119. The reversal of 222216115 is 511612222.

It is not a de Polignac number, because 222216115 - 2¹⁵ = 222183347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222216119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351850 + ... + 352480.

It is an arithmetic number, because the mean of its divisors is an integer number (9612720).

Almost surely, 2^222216115 is an apocalyptic number.

222216115 is a deficient number, since it is larger than the sum of its proper divisors (85390925).

222216115 is a wasteful number, since it uses less digits than its factorization.

222216115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 480, while the sum is 22.

The square root of 222216115 is about 14906.9150061305. The cubic root of 222216115 is about 605.7013154469.

Adding to 222216115 its reverse (511612222), we get a palindrome (733828337).

The spelling of 222216115 in words is "two hundred twenty-two million, two hundred sixteen thousand, one hundred fifteen".