4734221 has 4 divisors (see below), whose sum is σ = 4897500. Its totient is φ = 4570944.

The previous prime is 4734217. The next prime is 4734253. The reversal of 4734221 is 1224374.

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 3556996 + 1177225 = 1886^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 4734221 - 2² = 4734217 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 (4733221) 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, 81596 + ... + 81653.

It is an arithmetic number, because the mean of its divisors is an integer number (1224375).

Almost surely, 2^4734221 is an apocalyptic number.

It is an amenable number.

4734221 is a deficient number, since it is larger than the sum of its proper divisors (163279).

4734221 is a wasteful number, since it uses less digits than its factorization.

4734221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163278.

The product of its digits is 1344, while the sum is 23.

The square root of 4734221 is about 2175.8265096280. The cubic root of 4734221 is about 167.9124283778.

Adding to 4734221 its reverse (1224374), we get a palindrome (5958595).

The spelling of 4734221 in words is "four million, seven hundred thirty-four thousand, two hundred twenty-one".