4224140 has 24 divisors (see below), whose sum is σ = 9177840. Its totient is φ = 1631168.

The previous prime is 4224139. The next prime is 4224161. The reversal of 4224140 is 414224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (382410).

Almost surely, 2^4224140 is an apocalyptic number.

It is an amenable number.

4224140 is an abundant number, since it is smaller than the sum of its proper divisors (4953700).

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

4224140 is a wasteful number, since it uses less digits than its factorization.

4224140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321 (or 7319 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4224140 is about 2055.2712716330. The cubic root of 4224140 is about 161.6513867067.

Adding to 4224140 its reverse (414224), we get a palindrome (4638364).

The spelling of 4224140 in words is "four million, two hundred twenty-four thousand, one hundred forty".