4042233221 has 8 divisors (see below), whose sum is σ = 4359483744. Its totient is φ = 3725884080.

The previous prime is 4042233197. The next prime is 4042233229. The reversal of 4042233221 is 1223322404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042233221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042233229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216011 + ... + 233976.

It is an arithmetic number, because the mean of its divisors is an integer number (544935468).

Almost surely, 2^4042233221 is an apocalyptic number.

It is an amenable number.

4042233221 is a deficient number, since it is larger than the sum of its proper divisors (317250523).

4042233221 is a wasteful number, since it uses less digits than its factorization.

4042233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450691.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4042233221 is about 63578.5594442026. The cubic root of 4042233221 is about 1592.9682592280.

Adding to 4042233221 its reverse (1223322404), we get a palindrome (5265555625).

The spelling of 4042233221 in words is "four billion, forty-two million, two hundred thirty-three thousand, two hundred twenty-one".