224543664 has 200 divisors, whose sum is σ = 702907392. Its totient is φ = 69284160.

The previous prime is 224543659. The next prime is 224543681. The reversal of 224543664 is 466345422.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7243329 + ... + 7243359.

Almost surely, 2^224543664 is an apocalyptic number.

224543664 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 224543664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351453696).

224543664 is an abundant number, since it is smaller than the sum of its proper divisors (478363728).

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

224543664 is an frugal number, since it uses more digits than its factorization.

224543664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 59 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 224543664 is about 14984.7810794819. The cubic root of 224543664 is about 607.8087319645.

The spelling of 224543664 in words is "two hundred twenty-four million, five hundred forty-three thousand, six hundred sixty-four".