2231211200 has 84 divisors (see below), whose sum is σ = 5544933792. Its totient is φ = 883584000.

The previous prime is 2231211127. The next prime is 2231211233. The reversal of 2231211200 is 21121322.

It is a happy number.

It is a super-3 number, since 3×2231211200³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154697 + ... + 168503.

Almost surely, 2^2231211200 is an apocalyptic number.

2231211200 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 2231211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772466896).

2231211200 is an abundant number, since it is smaller than the sum of its proper divisors (3313722592).

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

2231211200 is a wasteful number, since it uses less digits than its factorization.

2231211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930 (or 13915 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2231211200 is about 47235.6983646902. The cubic root of 2231211200 is about 1306.7130461579.

Adding to 2231211200 its reverse (21121322), we get a palindrome (2252332522).

The spelling of 2231211200 in words is "two billion, two hundred thirty-one million, two hundred eleven thousand, two hundred".