2102233400 has 72 divisors (see below), whose sum is σ = 4946952720. Its totient is φ = 830818560.

The previous prime is 2102233381. The next prime is 2102233409. The reversal of 2102233400 is 43322012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102233409) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1583537 + ... + 1584863.

Almost surely, 2^2102233400 is an apocalyptic number.

2102233400 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 2102233400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473476360).

2102233400 is an abundant number, since it is smaller than the sum of its proper divisors (2844719320).

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

2102233400 is a wasteful number, since it uses less digits than its factorization.

2102233400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2102233400 is about 45850.1188657129. The cubic root of 2102233400 is about 1281.0329796219.

Adding to 2102233400 its reverse (43322012), we get a palindrome (2145555412).

The spelling of 2102233400 in words is "two billion, one hundred two million, two hundred thirty-three thousand, four hundred".