2133555522 has 64 divisors (see below), whose sum is σ = 5251184640. Its totient is φ = 563993856.

The previous prime is 2133555511. The next prime is 2133555527. The reversal of 2133555522 is 2255553312.

It is not an unprimeable number, because it can be changed into a prime (2133555527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16803 + ... + 67449.

It is an arithmetic number, because the mean of its divisors is an integer number (82049760).

Almost surely, 2^2133555522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133555522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625592320).

2133555522 is an abundant number, since it is smaller than the sum of its proper divisors (3117629118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133555522 is a wasteful number, since it uses less digits than its factorization.

2133555522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50735.

The product of its digits is 45000, while the sum is 33.

The square root of 2133555522 is about 46190.4267354178. The cubic root of 2133555522 is about 1287.3638697558.

The spelling of 2133555522 in words is "two billion, one hundred thirty-three million, five hundred fifty-five thousand, five hundred twenty-two".