245224 has 32 divisors (see below), whose sum is σ = 547200. Its totient is φ = 100800.

The previous prime is 245209. The next prime is 245251. The reversal of 245224 is 422542.

It is a nialpdrome in base 14.

It is an unprimeable number.

245224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (17100).

2²⁴⁵²²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273600).

245224 is an abundant number, since it is smaller than the sum of its proper divisors (301976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245224 is a wasteful number, since it uses less digits than its factorization.

245224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 189 counting only the distinct ones).

The product of its digits is 640, while the sum is 19.

The square root of 245224 is about 495.2009693044. The cubic root of 245224 is about 62.5923115900.

Adding to 245224 its reverse (422542), we get a palindrome (667766).

The spelling of 245224 in words is "two hundred forty-five thousand, two hundred twenty-four".