4859221 has 4 divisors (see below), whose sum is σ = 4864672. Its totient is φ = 4853772.

The previous prime is 4859209. The next prime is 4859227. The reversal of 4859221 is 1229584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4859221 - 2¹³ = 4851029 is a prime.

It is a super-2 number, since 2×4859221² = 47224057453682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4859227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (1216168).

Almost surely, 2^4859221 is an apocalyptic number.

It is an amenable number.

4859221 is a deficient number, since it is larger than the sum of its proper divisors (5451).

4859221 is a wasteful number, since it uses less digits than its factorization.

4859221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450.

The product of its digits is 5760, while the sum is 31.

The square root of 4859221 is about 2204.3640806364. The cubic root of 4859221 is about 169.3774345043.

The spelling of 4859221 in words is "four million, eight hundred fifty-nine thousand, two hundred twenty-one".