224544768 has 192 divisors, whose sum is σ = 717050880. Its totient is φ = 61095936.

The previous prime is 224544751. The next prime is 224544769. The reversal of 224544768 is 867445422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224544769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989071 + ... + 989297.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^224544768 is an apocalyptic number.

224544768 is a gapful number since it is divisible by the number (28) 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 224544768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358525440).

224544768 is an abundant number, since it is smaller than the sum of its proper divisors (492506112).

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

224544768 is a wasteful number, since it uses less digits than its factorization.

224544768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 262 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 224544768 is about 14984.8179168117. The cubic root of 224544768 is about 607.8097280881.

The spelling of 224544768 in words is "two hundred twenty-four million, five hundred forty-four thousand, seven hundred sixty-eight".