4393224 has 96 divisors (see below), whose sum is σ = 13629600. Its totient is φ = 1300320.

The previous prime is 4393219. The next prime is 4393229. The reversal of 4393224 is 4223934.

It is a happy number.

4393224 is a `hidden beast` number, since 439 + 3 + 224 = 666.

It is an interprime number because it is at equal distance from previous prime (4393219) and next prime (4393229).

It is a super-2 number, since 2×4393224² = 38600834228352, which contains 22 as substring.

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

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

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4393229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102147 + ... + 102189.

It is an arithmetic number, because the mean of its divisors is an integer number (141975).

Almost surely, 2^4393224 is an apocalyptic number.

4393224 is a gapful number since it is divisible by the number (44) 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 4393224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6814800).

4393224 is an abundant number, since it is smaller than the sum of its proper divisors (9236376).

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

4393224 is a wasteful number, since it uses less digits than its factorization.

4393224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 59 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4393224 is about 2096.0019083961. The cubic root of 4393224 is about 163.7800939193.

It can be divided in two parts, 43932 and 24, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 4393224 in words is "four million, three hundred ninety-three thousand, two hundred twenty-four".