229215 has 32 divisors (see below), whose sum is σ = 437760. Its totient is φ = 100224.

The previous prime is 229213. The next prime is 229217. The reversal of 229215 is 512922.

It is an interprime number because it is at equal distance from previous prime (229213) and next prime (229217).

It is not a de Polignac number, because 229215 - 2¹ = 229213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 229191 and 229200.

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 229215.

It is not an unprimeable number, because it can be changed into a prime (229213) 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, 3856 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2²²⁹²¹⁵ is an apocalyptic number.

229215 is a deficient number, since it is larger than the sum of its proper divisors (208545).

229215 is a wasteful number, since it uses less digits than its factorization.

229215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111.

The product of its digits is 360, while the sum is 21.

The square root of 229215 is about 478.7640337369. The cubic root of 229215 is about 61.1994724206.

It can be divided in two parts, 229 and 215, that added together give a palindrome (444).

The spelling of 229215 in words is "two hundred twenty-nine thousand, two hundred fifteen".