4024220 has 12 divisors (see below), whose sum is σ = 8450904. Its totient is φ = 1609680.

The previous prime is 4024211. The next prime is 4024259. The reversal of 4024220 is 224204.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4024195 and 4024204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100586 + ... + 100625.

It is an arithmetic number, because the mean of its divisors is an integer number (704242).

Almost surely, 2^4024220 is an apocalyptic number.

It is an amenable number.

4024220 is an abundant number, since it is smaller than the sum of its proper divisors (4426684).

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

4024220 is a wasteful number, since it uses less digits than its factorization.

4024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201220 (or 201218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4024220 is about 2006.0458618885. The cubic root of 4024220 is about 159.0598511543.

Adding to 4024220 its reverse (224204), we get a palindrome (4248424).

The spelling of 4024220 in words is "four million, twenty-four thousand, two hundred twenty".