4704221 has 4 divisors (see below), whose sum is σ = 4721244. Its totient is φ = 4687200.

The previous prime is 4704211. The next prime is 4704233. The reversal of 4704221 is 1224074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1224074 = 2 ⋅612037.

It can be written as a sum of positive squares in 2 ways, for example, as 4056196 + 648025 = 2014^2 + 805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4704221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4704193 and 4704202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4704211) 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, 8090 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (1180311).

Almost surely, 2^4704221 is an apocalyptic number.

It is an amenable number.

4704221 is a deficient number, since it is larger than the sum of its proper divisors (17023).

4704221 is a wasteful number, since it uses less digits than its factorization.

4704221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17022.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4704221 is about 2168.9216214515. The cubic root of 4704221 is about 167.5569984974.

Adding to 4704221 its reverse (1224074), we get a palindrome (5928295).

The spelling of 4704221 in words is "four million, seven hundred four thousand, two hundred twenty-one".