4301221 has 4 divisors (see below), whose sum is σ = 4554252. Its totient is φ = 4048192.

The previous prime is 4301197. The next prime is 4301237. The reversal of 4301221 is 1221034.

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 4040100 + 261121 = 2010^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 4301221 - 2⁵ = 4301189 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 (4301261) 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, 126490 + ... + 126523.

It is an arithmetic number, because the mean of its divisors is an integer number (1138563).

Almost surely, 2^4301221 is an apocalyptic number.

It is an amenable number.

4301221 is a deficient number, since it is larger than the sum of its proper divisors (253031).

4301221 is a wasteful number, since it uses less digits than its factorization.

4301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253030.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4301221 is about 2073.9385236790. The cubic root of 4301221 is about 162.6287232524.

Adding to 4301221 its reverse (1221034), we get a palindrome (5522255).

The spelling of 4301221 in words is "four million, three hundred one thousand, two hundred twenty-one".