4774224 has 80 divisors (see below), whose sum is σ = 15193472. Its totient is φ = 1257984.

The previous prime is 4774201. The next prime is 4774249. The reversal of 4774224 is 4224774.

It is a Cunningham number, because it is equal to 2185²-1.

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

It is a junction number, because it is equal to n+sod(n) for n = 4774191 and 4774200.

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, 3822 + ... + 4914.

Almost surely, 2^4774224 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 4774224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7596736).

4774224 is an abundant number, since it is smaller than the sum of its proper divisors (10419248).

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

4774224 is a wasteful number, since it uses less digits than its factorization.

4774224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1118 counting only the distinct ones).

The product of its digits is 12544, while the sum is 30.

The square root of 4774224 is about 2184.9997711670. Note that the first 3 decimals coincide. The cubic root of 4774224 is about 168.3840420594.

Adding to 4774224 its reverse (4224774), we get a palindrome (8998998).

The spelling of 4774224 in words is "four million, seven hundred seventy-four thousand, two hundred twenty-four".