4221442133 has 12 divisors (see below), whose sum is σ = 4296412512. Its totient is φ = 4147747560.

The previous prime is 4221442129. The next prime is 4221442151. The reversal of 4221442133 is 3312441224.

It is not a de Polignac number, because 4221442133 - 2² = 4221442129 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 (4221442163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2185178 + ... + 2187108.

It is an arithmetic number, because the mean of its divisors is an integer number (358034376).

Almost surely, 2^4221442133 is an apocalyptic number.

It is an amenable number.

4221442133 is a deficient number, since it is larger than the sum of its proper divisors (74970379).

4221442133 is an equidigital number, since it uses as much as digits as its factorization.

4221442133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2485 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 4221442133 is about 64972.6260281974. The cubic root of 4221442133 is about 1616.1696496086.

Adding to 4221442133 its reverse (3312441224), we get a palindrome (7533883357).

Subtracting from 4221442133 its reverse (3312441224), we obtain a palindrome (909000909).

The spelling of 4221442133 in words is "four billion, two hundred twenty-one million, four hundred forty-two thousand, one hundred thirty-three".