100225650 has 96 divisors (see below), whose sum is σ = 289588608. Its totient is φ = 22464000.

The previous prime is 100225613. The next prime is 100225661. The reversal of 100225650 is 56522001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54750 + ... + 56550.

It is an arithmetic number, because the mean of its divisors is an integer number (3016548).

Almost surely, 2^100225650 is an apocalyptic number.

100225650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100225650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144794304).

100225650 is an abundant number, since it is smaller than the sum of its proper divisors (189362958).

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

100225650 is a wasteful number, since it uses less digits than its factorization.

100225650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 100225650 is about 10011.2761424306. The cubic root of 100225650 is about 464.5077459300.

Adding to 100225650 its reverse (56522001), we get a palindrome (156747651).

The spelling of 100225650 in words is "one hundred million, two hundred twenty-five thousand, six hundred fifty".