224021416 has 16 divisors (see below), whose sum is σ = 422717940. Its totient is φ = 111296640.

The previous prime is 224021389. The next prime is 224021437. The reversal of 224021416 is 614120422.

It is a happy number.

224021416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200109316 + 23912100 = 14146^2 + 4890^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87925 + ... + 90436.

Almost surely, 2^224021416 is an apocalyptic number.

It is an amenable number.

224021416 is a deficient number, since it is larger than the sum of its proper divisors (198696524).

224021416 is a wasteful number, since it uses less digits than its factorization.

224021416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178524 (or 178520 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 224021416 is about 14967.3449883405. The cubic root of 224021416 is about 607.3371483981.

Adding to 224021416 its reverse (614120422), we get a palindrome (838141838).

The spelling of 224021416 in words is "two hundred twenty-four million, twenty-one thousand, four hundred sixteen".