224215452 has 60 divisors (see below), whose sum is σ = 590867200. Its totient is φ = 74136384.

The previous prime is 224215451. The next prime is 224215463. The reversal of 224215452 is 254512422.

224215452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224215451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38424 + ... + 43872.

Almost surely, 2^224215452 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 224215452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295433600).

224215452 is an abundant number, since it is smaller than the sum of its proper divisors (366651748).

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

224215452 is a wasteful number, since it uses less digits than its factorization.

224215452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592 (or 5581 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 224215452 is about 14973.8255632954. The cubic root of 224215452 is about 607.5124460184.

Adding to 224215452 its reverse (254512422), we get a palindrome (478727874).

The spelling of 224215452 in words is "two hundred twenty-four million, two hundred fifteen thousand, four hundred fifty-two".