4976221 has 4 divisors (see below), whose sum is σ = 4981500. Its totient is φ = 4970944.

The previous prime is 4976203. The next prime is 4976263. The reversal of 4976221 is 1226794.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3463321 + 1512900 = 1861^2 + 1230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4976221 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4976281) 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, 796 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (1245375).

Almost surely, 2^4976221 is an apocalyptic number.

It is an amenable number.

4976221 is a deficient number, since it is larger than the sum of its proper divisors (5279).

4976221 is a wasteful number, since it uses less digits than its factorization.

4976221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278.

The product of its digits is 6048, while the sum is 31.

The square root of 4976221 is about 2230.7444945578. The cubic root of 4976221 is about 170.7260870128.

The spelling of 4976221 in words is "four million, nine hundred seventy-six thousand, two hundred twenty-one".