4231224 has 64 divisors (see below), whose sum is σ = 12384000. Its totient is φ = 1334880.

The previous prime is 4231219. The next prime is 4231229. The reversal of 4231224 is 4221324.

It is an interprime number because it is at equal distance from previous prime (4231219) and next prime (4231229).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4231197 and 4231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589 + ... + 4619.

It is an arithmetic number, because the mean of its divisors is an integer number (193500).

Almost surely, 2^4231224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4231224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6192000).

4231224 is an abundant number, since it is smaller than the sum of its proper divisors (8152776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4231224 is a wasteful number, since it uses less digits than its factorization.

4231224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1055 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 4231224 is about 2056.9939231801. The cubic root of 4231224 is about 161.7417008595.

Adding to 4231224 its reverse (4221324), we get a palindrome (8452548).

The spelling of 4231224 in words is "four million, two hundred thirty-one thousand, two hundred twenty-four".