4864221 has 6 divisors (see below), whose sum is σ = 7026110. Its totient is φ = 3242808.

The previous prime is 4864217. The next prime is 4864229. The reversal of 4864221 is 1224684.

4864221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4796100 + 68121 = 2190^2 + 261^2 .

It is not a de Polignac number, because 4864221 - 2² = 4864217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4864229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270226 + ... + 270243.

Almost surely, 2^4864221 is an apocalyptic number.

It is an amenable number.

4864221 is a deficient number, since it is larger than the sum of its proper divisors (2161889).

4864221 is a wasteful number, since it uses less digits than its factorization.

4864221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540475 (or 540472 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 4864221 is about 2205.4979029689. The cubic root of 4864221 is about 169.4355094416.

The spelling of 4864221 in words is "four million, eight hundred sixty-four thousand, two hundred twenty-one".