4564220 has 12 divisors (see below), whose sum is σ = 9584904. Its totient is φ = 1825680.

The previous prime is 4564207. The next prime is 4564247. The reversal of 4564220 is 224654.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 114086 + ... + 114125.

It is an arithmetic number, because the mean of its divisors is an integer number (798742).

Almost surely, 2^4564220 is an apocalyptic number.

It is an amenable number.

4564220 is an abundant number, since it is smaller than the sum of its proper divisors (5020684).

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

4564220 is a wasteful number, since it uses less digits than its factorization.

4564220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228220 (or 228218 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4564220 is about 2136.4035199372. The cubic root of 4564220 is about 165.8780252655.

Adding to 4564220 its reverse (224654), we get a palindrome (4788874).

The spelling of 4564220 in words is "four million, five hundred sixty-four thousand, two hundred twenty".