4427231 has 4 divisors (see below), whose sum is σ = 4487952. Its totient is φ = 4366512.

The previous prime is 4427173. The next prime is 4427251. The reversal of 4427231 is 1327244.

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 4427231 - 2⁶ = 4427167 is a prime.

It is a super-2 number, since 2×4427231² = 39200748654722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4427197 and 4427206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427251) 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, 30251 + ... + 30396.

It is an arithmetic number, because the mean of its divisors is an integer number (1121988).

Almost surely, 2^4427231 is an apocalyptic number.

4427231 is a deficient number, since it is larger than the sum of its proper divisors (60721).

4427231 is an equidigital number, since it uses as much as digits as its factorization.

4427231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60720.

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

The square root of 4427231 is about 2104.0986193617. The cubic root of 4427231 is about 164.2016036454.

The spelling of 4427231 in words is "four million, four hundred twenty-seven thousand, two hundred thirty-one".