274224 has 40 divisors (see below), whose sum is σ = 736560. Its totient is φ = 87808.

The previous prime is 274223. The next prime is 274237. The reversal of 274224 is 422472.

It is a self number, because there is not a number n which added to its sum of digits gives 274224.

It is not an unprimeable number, because it can be changed into a prime (274223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (18414).

2²⁷⁴²²⁴ is an apocalyptic number.

274224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368280).

274224 is an abundant number, since it is smaller than the sum of its proper divisors (462336).

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

274224 is a wasteful number, since it uses less digits than its factorization.

274224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its digits is 896, while the sum is 21.

The square root of 274224 is about 523.6640144215. The cubic root of 274224 is about 64.9683475081.

Adding to 274224 its reverse (422472), we get a palindrome (696696).

The spelling of 274224 in words is "two hundred seventy-four thousand, two hundred twenty-four", and thus it is an iban number.