4231220433 has 16 divisors (see below), whose sum is σ = 6320842176. Its totient is φ = 2495067840.

The previous prime is 4231220431. The next prime is 4231220443. The reversal of 4231220433 is 3340221324.

It is not a de Polignac number, because 4231220433 - 2¹ = 4231220431 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4231220431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731466 + ... + 1733907.

It is an arithmetic number, because the mean of its divisors is an integer number (395052636).

Almost surely, 2^4231220433 is an apocalyptic number.

It is an amenable number.

4231220433 is a deficient number, since it is larger than the sum of its proper divisors (2089621743).

4231220433 is a wasteful number, since it uses less digits than its factorization.

4231220433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465424.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4231220433 is about 65047.8318854672. The cubic root of 4231220433 is about 1617.4165540905.

Adding to 4231220433 its reverse (3340221324), we get a palindrome (7571441757).

The spelling of 4231220433 in words is "four billion, two hundred thirty-one million, two hundred twenty thousand, four hundred thirty-three".