4601221 has 4 divisors (see below), whose sum is σ = 4608844. Its totient is φ = 4593600.

The previous prime is 4601189. The next prime is 4601239. The reversal of 4601221 is 1221064.

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 3629025 + 972196 = 1905^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 4601221 - 2⁵ = 4601189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4601195 and 4601204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4601251) 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, 2820 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (1152211).

Almost surely, 2^4601221 is an apocalyptic number.

It is an amenable number.

4601221 is a deficient number, since it is larger than the sum of its proper divisors (7623).

4601221 is an equidigital number, since it uses as much as digits as its factorization.

4601221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4601221 is about 2145.0456871591. The cubic root of 4601221 is about 166.3250634328.

Adding to 4601221 its reverse (1221064), we get a palindrome (5822285).

It can be divided in two parts, 460 and 1221, that added together give a square (1681 = 41²).

The spelling of 4601221 in words is "four million, six hundred one thousand, two hundred twenty-one".