2102244500 has 24 divisors (see below), whose sum is σ = 4591303080. Its totient is φ = 840897600.

The previous prime is 2102244451. The next prime is 2102244527. The reversal of 2102244500 is 54422012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14485636 + 2087758864 = 3806^2 + 45692^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101745 + ... + 2102744.

It is an arithmetic number, because the mean of its divisors is an integer number (191304295).

Almost surely, 2^2102244500 is an apocalyptic number.

2102244500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102244500 is an abundant number, since it is smaller than the sum of its proper divisors (2489058580).

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

2102244500 is a wasteful number, since it uses less digits than its factorization.

2102244500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204508 (or 4204496 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2102244500 is about 45850.2399121313. The cubic root of 2102244500 is about 1281.0352342782.

Adding to 2102244500 its reverse (54422012), we get a palindrome (2156666512).

The spelling of 2102244500 in words is "two billion, one hundred two million, two hundred forty-four thousand, five hundred".