4421231 has 4 divisors (see below), whose sum is σ = 4428600.
Its totient is φ = 4413864.
The previous prime is 4421227. The next prime is 4421237. The reversal of 4421231 is 1321244.
Adding to 4421231 its reverse (1321244), we get a palindrome (5742475).
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 4421231 - 22 = 4421227 is a prime.
It is a super-2 number, since 2×44212312 = 39094567110722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4421237) 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, 2696 + ... + 4013.
It is an arithmetic number, because the mean of its divisors is an integer number (1107150).
Almost surely, 24421231 is an apocalyptic number.
4421231 is a deficient number, since it is larger than the sum of its proper divisors (7369).
4421231 is an equidigital number, since it uses as much as digits as its factorization.
4421231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7368.
The product of its digits is 192, while the sum is 17.
The square root of 4421231 is about 2102.6723472762.
The cubic root of 4421231 is about 164.1273920953.
The spelling of 4421231 in words is "four million, four hundred twenty-one thousand, two hundred thirty-one".