2231100000 has 432 divisors, whose sum is σ = 8266252176. Its totient is φ = 570240000.

The previous prime is 2231099989. The next prime is 2231100013. The reversal of 2231100000 is 11322.

It is a happy number.

It is a super-3 number, since 3×2231100000³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 33299967 + ... + 33300033.

It is an arithmetic number, because the mean of its divisors is an integer number (19134843).

Almost surely, 2^2231100000 is an apocalyptic number.

2231100000 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 2231100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4133126088).

2231100000 is an abundant number, since it is smaller than the sum of its proper divisors (6035152176).

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

2231100000 is an equidigital number, since it uses as much as digits as its factorization.

2231100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2231100000 is about 47234.5212741698. The cubic root of 2231100000 is about 1306.6913376341.

Adding to 2231100000 its reverse (11322), we get a palindrome (2231111322).

The spelling of 2231100000 in words is "two billion, two hundred thirty-one million, one hundred thousand".