2133155200 has 96 divisors (see below), whose sum is σ = 5748705720. Its totient is φ = 775680000.

The previous prime is 2133155173. The next prime is 2133155209. The reversal of 2133155200 is 25513312.

It is a super-2 number, since 2×2133155200² = 9100702214574080000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133155209) 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, 4900 + ... + 65500.

Almost surely, 2^2133155200 is an apocalyptic number.

2133155200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2133155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874352860).

2133155200 is an abundant number, since it is smaller than the sum of its proper divisors (3615550520).

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

2133155200 is a wasteful number, since it uses less digits than its factorization.

2133155200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60636 (or 60619 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2133155200 is about 46186.0931450150. The cubic root of 2133155200 is about 1287.2833480930.

Adding to 2133155200 its reverse (25513312), we get a palindrome (2158668512).

The spelling of 2133155200 in words is "two billion, one hundred thirty-three million, one hundred fifty-five thousand, two hundred".