2133221441 has 8 divisors (see below), whose sum is σ = 2297809920. Its totient is φ = 1968703632.

The previous prime is 2133221401. The next prime is 2133221471. The reversal of 2133221441 is 1441223312.

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-2133221441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133221401) 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, 56630 + ... + 86448.

It is an arithmetic number, because the mean of its divisors is an integer number (287226240).

Almost surely, 2^2133221441 is an apocalyptic number.

It is an amenable number.

2133221441 is a deficient number, since it is larger than the sum of its proper divisors (164588479).

2133221441 is a wasteful number, since it uses less digits than its factorization.

2133221441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35335.

The product of its digits is 1152, while the sum is 23.

The square root of 2133221441 is about 46186.8102492476. The cubic root of 2133221441 is about 1287.2966726515.

Adding to 2133221441 its reverse (1441223312), we get a palindrome (3574444753).

The spelling of 2133221441 in words is "two billion, one hundred thirty-three million, two hundred twenty-one thousand, four hundred forty-one".