4227220 has 24 divisors (see below), whose sum is σ = 9400104. Its totient is φ = 1591296.

The previous prime is 4227187. The next prime is 4227229. The reversal of 4227220 is 227224.

It can be written as a sum of positive squares in 4 ways, for example, as 283024 + 3944196 = 532^2 + 1986^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5877 + ... + 6556.

It is an arithmetic number, because the mean of its divisors is an integer number (391671).

Almost surely, 2^4227220 is an apocalyptic number.

It is an amenable number.

4227220 is an abundant number, since it is smaller than the sum of its proper divisors (5172884).

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

4227220 is a wasteful number, since it uses less digits than its factorization.

4227220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12459 (or 12457 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4227220 is about 2056.0204279141. The cubic root of 4227220 is about 161.6906661269.

The spelling of 4227220 in words is "four million, two hundred twenty-seven thousand, two hundred twenty".