4730221 has 8 divisors (see below), whose sum is σ = 5086080. Its totient is φ = 4385088.

The previous prime is 4730213. The next prime is 4730227. The reversal of 4730221 is 1220374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4730221 - 2³ = 4730213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

4730221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4730227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (635760).

Almost surely, 2^4730221 is an apocalyptic number.

It is an amenable number.

4730221 is a deficient number, since it is larger than the sum of its proper divisors (355859).

4730221 is a wasteful number, since it uses less digits than its factorization.

4730221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4730221 is about 2174.9071244538. The cubic root of 4730221 is about 167.8651246458.

Adding to 4730221 its reverse (1220374), we get a palindrome (5950595).

The spelling of 4730221 in words is "four million, seven hundred thirty thousand, two hundred twenty-one".