2023221200 has 480 divisors, whose sum is σ = 6778232832. Its totient is φ = 559872000.

The previous prime is 2023221191. The next prime is 2023221203. The reversal of 2023221200 is 21223202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023221203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12412319 + ... + 12412481.

Almost surely, 2^2023221200 is an apocalyptic number.

2023221200 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 2023221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389116416).

2023221200 is an abundant number, since it is smaller than the sum of its proper divisors (4755011632).

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

2023221200 is a wasteful number, since it uses less digits than its factorization.

2023221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2023221200 is about 44980.2312132786. The cubic root of 2023221200 is about 1264.7784454744.

Adding to 2023221200 its reverse (21223202), we get a palindrome (2044444402).

The spelling of 2023221200 in words is "two billion, twenty-three million, two hundred twenty-one thousand, two hundred".