4552220 has 12 divisors (see below), whose sum is σ = 9559704. Its totient is φ = 1820880.

The previous prime is 4552213. The next prime is 4552231. The reversal of 4552220 is 222554.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 227611 = 4552220 / (4 + 5 + 5 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4552192 and 4552201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113786 + ... + 113825.

It is an arithmetic number, because the mean of its divisors is an integer number (796642).

Almost surely, 2^4552220 is an apocalyptic number.

It is an amenable number.

4552220 is an abundant number, since it is smaller than the sum of its proper divisors (5007484).

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

4552220 is a wasteful number, since it uses less digits than its factorization.

4552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227620 (or 227618 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4552220 is about 2133.5932133375. The cubic root of 4552220 is about 165.7325251709.

Adding to 4552220 its reverse (222554), we get a palindrome (4774774).

The spelling of 4552220 in words is "four million, five hundred fifty-two thousand, two hundred twenty".