4345224 has 64 divisors (see below), whose sum is σ = 12331200. Its totient is φ = 1264896.

The previous prime is 4345223. The next prime is 4345249. The reversal of 4345224 is 4225434.

4345224 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4345224² = 37761943220352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 4² + 3⁹ + 4² + 5 + 2⁷ + 2¹⁷ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 4345194 and 4345203.

It is not an unprimeable number, because it can be changed into a prime (4345223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5562 + ... + 6294.

It is an arithmetic number, because the mean of its divisors is an integer number (192675).

Almost surely, 2^4345224 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 4345224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6165600).

4345224 is an abundant number, since it is smaller than the sum of its proper divisors (7985976).

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

4345224 is a wasteful number, since it uses less digits than its factorization.

4345224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 770 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 4345224 is about 2084.5200886535. The cubic root of 4345224 is about 163.1814257023.

The spelling of 4345224 in words is "four million, three hundred forty-five thousand, two hundred twenty-four".