4819221 has 12 divisors (see below), whose sum is σ = 7594080. Its totient is φ = 2920680.

The previous prime is 4819201. The next prime is 4819223. The reversal of 4819221 is 1229184.

It is not a de Polignac number, because 4819221 - 2⁵ = 4819189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4819223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24241 + ... + 24438.

It is an arithmetic number, because the mean of its divisors is an integer number (632840).

Almost surely, 2^4819221 is an apocalyptic number.

It is an amenable number.

4819221 is a deficient number, since it is larger than the sum of its proper divisors (2774859).

4819221 is a wasteful number, since it uses less digits than its factorization.

4819221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48696 (or 48693 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 4819221 is about 2195.2724204526. The cubic root of 4819221 is about 168.9113945623.

The spelling of 4819221 in words is "four million, eight hundred nineteen thousand, two hundred twenty-one".