4224312 has 96 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 1347840.

The previous prime is 4224281. The next prime is 4224317. The reversal of 4224312 is 2134224.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79678 + ... + 79730.

Almost surely, 2^4224312 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 4224312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6191640).

4224312 is an abundant number, since it is smaller than the sum of its proper divisors (8158968).

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

4224312 is a wasteful number, since it uses less digits than its factorization.

4224312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 99 counting only the distinct ones).

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

The square root of 4224312 is about 2055.3131148319. The cubic root of 4224312 is about 161.6535807360.

Adding to 4224312 its reverse (2134224), we get a palindrome (6358536).

The spelling of 4224312 in words is "four million, two hundred twenty-four thousand, three hundred twelve".