2233121200 has 30 divisors (see below), whose sum is σ = 5365074644. Its totient is φ = 893248320.

The previous prime is 2233121171. The next prime is 2233121201. The reversal of 2233121200 is 21213322.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2233121201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2791002 + ... + 2791801.

Almost surely, 2^2233121200 is an apocalyptic number.

2233121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2233121200 is an abundant number, since it is smaller than the sum of its proper divisors (3131953444).

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

2233121200 is a wasteful number, since it uses less digits than its factorization.

2233121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582821 (or 5582810 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2233121200 is about 47255.9117994775. The cubic root of 2233121200 is about 1307.0858048468.

Adding to 2233121200 its reverse (21213322), we get a palindrome (2254334522).

The spelling of 2233121200 in words is "two billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred".