244215 has 28 divisors (see below), whose sum is σ = 445944. Its totient is φ = 128304.

The previous prime is 244199. The next prime is 244217. The reversal of 244215 is 512442.

244215 = 219² + 220² + ... + 223².

It is not a de Polignac number, because 244215 - 2⁴ = 244199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244217) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3612 + ... + 3678.

2²⁴⁴²¹⁵ is an apocalyptic number.

244215 is a deficient number, since it is larger than the sum of its proper divisors (201729).

244215 is an frugal number, since it uses more digits than its factorization.

244215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 75 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 244215 is about 494.1811408785. The cubic root of 244215 is about 62.5063460223.

Adding to 244215 its reverse (512442), we get a palindrome (756657).

The spelling of 244215 in words is "two hundred forty-four thousand, two hundred fifteen".