222215 has 12 divisors (see below), whose sum is σ = 310536. Its totient is φ = 152208.

The previous prime is 222199. The next prime is 222247. The reversal of 222215 is 512222.

It is not a de Polignac number, because 222215 - 2⁴ = 222199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222215.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222215.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209 + ... + 698.

It is an arithmetic number, because the mean of its divisors is an integer number (25878).

2²²²²¹⁵ is an apocalyptic number.

222215 is a deficient number, since it is larger than the sum of its proper divisors (88321).

222215 is an equidigital number, since it uses as much as digits as its factorization.

222215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 919 counting only the distinct ones).

The product of its digits is 80, while the sum is 14.

The square root of 222215 is about 471.3968604053. The cubic root of 222215 is about 60.5700302382.

Adding to 222215 its reverse (512222), we get a palindrome (734437).

The spelling of 222215 in words is "two hundred twenty-two thousand, two hundred fifteen".