2102223200 has 144 divisors (see below), whose sum is σ = 6398590464. Its totient is φ = 655219200.

The previous prime is 2102223199. The next prime is 2102223203. The reversal of 2102223200 is 23222012.

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 (2102223203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44537 + ... + 78663.

It is an arithmetic number, because the mean of its divisors is an integer number (44434656).

Almost surely, 2^2102223200 is an apocalyptic number.

2102223200 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 2102223200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199295232).

2102223200 is an abundant number, since it is smaller than the sum of its proper divisors (4296367264).

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

2102223200 is a wasteful number, since it uses less digits than its factorization.

2102223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34165 (or 34152 counting only the distinct ones).

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

The square root of 2102223200 is about 45850.0076335872. The cubic root of 2102223200 is about 1281.0309077686.

Adding to 2102223200 its reverse (23222012), we get a palindrome (2125445212).

The spelling of 2102223200 in words is "two billion, one hundred two million, two hundred twenty-three thousand, two hundred".