224550 has 36 divisors (see below), whose sum is σ = 604500. Its totient is φ = 59760.

The previous prime is 224527. The next prime is 224563. The reversal of 224550 is 55422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 201 + ... + 699.

2²²⁴⁵⁵⁰ is an apocalyptic number.

224550 is the 300-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302250).

224550 is an abundant number, since it is smaller than the sum of its proper divisors (379950).

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

224550 is a wasteful number, since it uses less digits than its factorization.

224550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 224550 is about 473.8670699679. The cubic root of 224550 is about 60.7814448803.

Adding to 224550 its reverse (55422), we get a palindrome (279972).

The spelling of 224550 in words is "two hundred twenty-four thousand, five hundred fifty".