4968221 has 4 divisors (see below), whose sum is σ = 4980444. Its totient is φ = 4956000.

The previous prime is 4968209. The next prime is 4968239. The reversal of 4968221 is 1228694.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 912025 + 4056196 = 955^2 + 2014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4968221 - 2⁶ = 4968157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4968241) 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, 5480 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (1245111).

Almost surely, 2^4968221 is an apocalyptic number.

It is an amenable number.

4968221 is a deficient number, since it is larger than the sum of its proper divisors (12223).

4968221 is a wasteful number, since it uses less digits than its factorization.

4968221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222.

The product of its digits is 6912, while the sum is 32.

The square root of 4968221 is about 2228.9506499696. The cubic root of 4968221 is about 170.6345489251.

The spelling of 4968221 in words is "four million, nine hundred sixty-eight thousand, two hundred twenty-one".