4224540 has 48 divisors (see below), whose sum is σ = 11924640. Its totient is φ = 1117440.

The previous prime is 4224529. The next prime is 4224541. The reversal of 4224540 is 454224.

It is a super-3 number, since 3×4224540³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224541) 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, 10666 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (248430).

Almost surely, 2^4224540 is an apocalyptic number.

It is an amenable number.

4224540 is an abundant number, since it is smaller than the sum of its proper divisors (7700100).

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

4224540 is a wasteful number, since it uses less digits than its factorization.

4224540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4224540 is about 2055.3685800848. The cubic root of 4224540 is about 161.6564890087.

Adding to 4224540 its reverse (454224), we get a palindrome (4678764).

The spelling of 4224540 in words is "four million, two hundred twenty-four thousand, five hundred forty".