224643996 has 48 divisors (see below), whose sum is σ = 584801280. Its totient is φ = 74574000.

The previous prime is 224643977. The next prime is 224644027. The reversal of 224643996 is 699346422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22965 + ... + 31251.

It is an arithmetic number, because the mean of its divisors is an integer number (12183360).

Almost surely, 2^224643996 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 224643996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292400640).

224643996 is an abundant number, since it is smaller than the sum of its proper divisors (360157284).

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

224643996 is a wasteful number, since it uses less digits than its factorization.

224643996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551 (or 8543 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 224643996 is about 14988.1285022514. The cubic root of 224643996 is about 607.8992467802.

The spelling of 224643996 in words is "two hundred twenty-four million, six hundred forty-three thousand, nine hundred ninety-six".