4421273 has 4 divisors (see below), whose sum is σ = 4427280. Its totient is φ = 4415268.

The previous prime is 4421257. The next prime is 4421297. The reversal of 4421273 is 3721244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4421273 - 2⁴ = 4421257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421203) 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, 1715 + ... + 3432.

It is an arithmetic number, because the mean of its divisors is an integer number (1106820).

Almost surely, 2^4421273 is an apocalyptic number.

It is an amenable number.

4421273 is a deficient number, since it is larger than the sum of its proper divisors (6007).

4421273 is an equidigital number, since it uses as much as digits as its factorization.

4421273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006.

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

The square root of 4421273 is about 2102.6823345432. The cubic root of 4421273 is about 164.1279118095.

The spelling of 4421273 in words is "four million, four hundred twenty-one thousand, two hundred seventy-three".