227215 has 8 divisors (see below), whose sum is σ = 282240. Its totient is φ = 175392.

The previous prime is 227207. The next prime is 227219. The reversal of 227215 is 512722.

227215 = 116² + 117² + ... + 130².

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

It is not a de Polignac number, because 227215 - 2³ = 227207 is a prime.

It is a plaindrome in base 11 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 227192 and 227201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2²²⁷²¹⁵ is an apocalyptic number.

227215 is a deficient number, since it is larger than the sum of its proper divisors (55025).

227215 is a wasteful number, since it uses less digits than its factorization.

227215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its digits is 280, while the sum is 19.

The square root of 227215 is about 476.6707459033. The cubic root of 227215 is about 61.0209549076.

Adding to 227215 its reverse (512722), we get a palindrome (739937).

The spelling of 227215 in words is "two hundred twenty-seven thousand, two hundred fifteen".