4105221500 has 96 divisors (see below), whose sum is σ = 9369464832. Its totient is φ = 1569480000.

The previous prime is 4105221467. The next prime is 4105221553. The reversal of 4105221500 is 51225014.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284905 + ... + 1288095.

It is an arithmetic number, because the mean of its divisors is an integer number (97598592).

Almost surely, 2^4105221500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4105221500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4684732416).

4105221500 is an abundant number, since it is smaller than the sum of its proper divisors (5264243332).

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

4105221500 is a wasteful number, since it uses less digits than its factorization.

4105221500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4105221500 is about 64072.0024659757. The cubic root of 4105221500 is about 1601.1998161966.

Adding to 4105221500 its reverse (51225014), we get a palindrome (4156446514).

The spelling of 4105221500 in words is "four billion, one hundred five million, two hundred twenty-one thousand, five hundred".