249224 has 8 divisors (see below), whose sum is σ = 467310. Its totient is φ = 124608.

The previous prime is 249217. The next prime is 249229. The reversal of 249224 is 422942.

249224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 232324 + 16900 = 482^2 + 130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×249224² = 124225204352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15569 + ... + 15584.

2²⁴⁹²²⁴ is an apocalyptic number.

It is an amenable number.

249224 is a deficient number, since it is larger than the sum of its proper divisors (218086).

249224 is a wasteful number, since it uses less digits than its factorization.

249224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31159 (or 31155 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 249224 is about 499.2233968876. The cubic root of 249224 is about 62.9308050231.

The spelling of 249224 in words is "two hundred forty-nine thousand, two hundred twenty-four".