224436 has 24 divisors (see below), whose sum is σ = 534240. Its totient is φ = 73312.

The previous prime is 224429. The next prime is 224443. The reversal of 224436 is 634422.

It is an interprime number because it is at equal distance from previous prime (224429) and next prime (224443).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 224436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550 + ... + 866.

It is an arithmetic number, because the mean of its divisors is an integer number (22260).

2²²⁴⁴³⁶ is an apocalyptic number.

It is an amenable number.

224436 is an abundant number, since it is smaller than the sum of its proper divisors (309804).

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

224436 is a wasteful number, since it uses less digits than its factorization.

224436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 381 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 224436 is about 473.7467677990. The cubic root of 224436 is about 60.7711572567.

Adding to 224436 its reverse (634422), we get a palindrome (858858).

The spelling of 224436 in words is "two hundred twenty-four thousand, four hundred thirty-six".