100522500 has 120 divisors (see below), whose sum is σ = 315948864. Its totient is φ = 24720000.

The previous prime is 100522493. The next prime is 100522501. The reversal of 100522500 is 5225001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100522500.

It is not an unprimeable number, because it can be changed into a prime (100522501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 96985 + ... + 98015.

Almost surely, 2^100522500 is an apocalyptic number.

100522500 is a gapful number since it is divisible by the number (10) 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 100522500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157974432).

100522500 is an abundant number, since it is smaller than the sum of its proper divisors (215426364).

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

100522500 is a wasteful number, since it uses less digits than its factorization.

100522500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 100522500 is about 10026.0909630823. The cubic root of 100522500 is about 464.9658895085.

Adding to 100522500 its reverse (5225001), we get a palindrome (105747501).

The spelling of 100522500 in words is "one hundred million, five hundred twenty-two thousand, five hundred".