4221351133 has 4 divisors (see below), whose sum is σ = 4221647008. Its totient is φ = 4221055260.

The previous prime is 4221351131. The next prime is 4221351143. The reversal of 4221351133 is 3311531224.

It is a happy number.

4221351133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4221351133 - 2¹ = 4221351131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4221351098 and 4221351107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221351131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125391 + ... + 155452.

It is an arithmetic number, because the mean of its divisors is an integer number (1055411752).

Almost surely, 2^4221351133 is an apocalyptic number.

It is an amenable number.

4221351133 is a deficient number, since it is larger than the sum of its proper divisors (295875).

4221351133 is a wasteful number, since it uses less digits than its factorization.

4221351133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295874.

The product of its digits is 2160, while the sum is 25.

The square root of 4221351133 is about 64971.9257295026. The cubic root of 4221351133 is about 1616.1580364765.

Adding to 4221351133 its reverse (3311531224), we get a palindrome (7532882357).

The spelling of 4221351133 in words is "four billion, two hundred twenty-one million, three hundred fifty-one thousand, one hundred thirty-three".