4222132421 has 16 divisors (see below), whose sum is σ = 4567207680. Its totient is φ = 3880007040.

The previous prime is 4222132403. The next prime is 4222132441. The reversal of 4222132421 is 1242312224.

4222132421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4222132421 - 2¹⁸ = 4221870277 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 (4222132441) 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, 5031920 + ... + 5032758.

It is an arithmetic number, because the mean of its divisors is an integer number (285450480).

Almost surely, 2^4222132421 is an apocalyptic number.

It is an amenable number.

4222132421 is a deficient number, since it is larger than the sum of its proper divisors (345075259).

4222132421 is a wasteful number, since it uses less digits than its factorization.

4222132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its digits is 1536, while the sum is 23.

The square root of 4222132421 is about 64977.9379558939. The cubic root of 4222132421 is about 1616.2577365448.

Adding to 4222132421 its reverse (1242312224), we get a palindrome (5464444645).

The spelling of 4222132421 in words is "four billion, two hundred twenty-two million, one hundred thirty-two thousand, four hundred twenty-one".