4546221 has 8 divisors (see below), whose sum is σ = 6144960. Its totient is φ = 2989152.

The previous prime is 4546211. The next prime is 4546229. The reversal of 4546221 is 1226454.

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

It is not a de Polignac number, because 4546221 - 2¹⁰ = 4545197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4546191 and 4546200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4546229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10161 + ... + 10598.

It is an arithmetic number, because the mean of its divisors is an integer number (768120).

Almost surely, 2^4546221 is an apocalyptic number.

It is an amenable number.

4546221 is a deficient number, since it is larger than the sum of its proper divisors (1598739).

4546221 is a wasteful number, since it uses less digits than its factorization.

4546221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20835.

The product of its digits is 1920, while the sum is 24.

The square root of 4546221 is about 2132.1869055034. The cubic root of 4546221 is about 165.6596913685.

The spelling of 4546221 in words is "four million, five hundred forty-six thousand, two hundred twenty-one".