4224240431 has 4 divisors (see below), whose sum is σ = 4232844264. Its totient is φ = 4215636600.

The previous prime is 4224240401. The next prime is 4224240437. The reversal of 4224240431 is 1340424224.

It is a happy number.

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 4224240431 - 2⁶ = 4224240367 is a prime.

It is a super-2 number, since 2×4224240431² = 35688414437790131522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4224240431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224240437) 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, 4301180 + ... + 4302161.

It is an arithmetic number, because the mean of its divisors is an integer number (1058211066).

Almost surely, 2^4224240431 is an apocalyptic number.

4224240431 is a deficient number, since it is larger than the sum of its proper divisors (8603833).

4224240431 is an equidigital number, since it uses as much as digits as its factorization.

4224240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603832.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4224240431 is about 64994.1568989090. The cubic root of 4224240431 is about 1616.5266781019.

Adding to 4224240431 its reverse (1340424224), we get a palindrome (5564664655).

The spelling of 4224240431 in words is "four billion, two hundred twenty-four million, two hundred forty thousand, four hundred thirty-one".