222315 has 8 divisors (see below), whose sum is σ = 355728. Its totient is φ = 118560.

The previous prime is 222311. The next prime is 222317. The reversal of 222315 is 513222.

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

It is not a de Polignac number, because 222315 - 2² = 222311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 14821 = 222315 / (2 + 2 + 2 + 3 + 1 + 5).

222315 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 222294 and 222303.

It is not an unprimeable number, because it can be changed into a prime (222311) 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, 7396 + ... + 7425.

It is an arithmetic number, because the mean of its divisors is an integer number (44466).

2²²²³¹⁵ is an apocalyptic number.

222315 is a deficient number, since it is larger than the sum of its proper divisors (133413).

222315 is a wasteful number, since it uses less digits than its factorization.

222315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14829.

The product of its digits is 120, while the sum is 15.

The square root of 222315 is about 471.5029162158. The cubic root of 222315 is about 60.5791146754.

Adding to 222315 its reverse (513222), we get a palindrome (735537).

The spelling of 222315 in words is "two hundred twenty-two thousand, three hundred fifteen".