4204222421 has 16 divisors (see below), whose sum is σ = 4944535680. Its totient is φ = 3499225920.

The previous prime is 4204222391. The next prime is 4204222433. The reversal of 4204222421 is 1242224024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4204222421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4204224421) 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, 115886 + ... + 147776.

It is an arithmetic number, because the mean of its divisors is an integer number (309033480).

Almost surely, 2^4204222421 is an apocalyptic number.

It is an amenable number.

4204222421 is a deficient number, since it is larger than the sum of its proper divisors (740313259).

4204222421 is a wasteful number, since it uses less digits than its factorization.

4204222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32444.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4204222421 is about 64839.9754858066. The cubic root of 4204222421 is about 1613.9691454920.

Adding to 4204222421 its reverse (1242224024), we get a palindrome (5446446445).

The spelling of 4204222421 in words is "four billion, two hundred four million, two hundred twenty-two thousand, four hundred twenty-one".