2259900 has 126 divisors (see below), whose sum is σ = 7589792. Its totient is φ = 583200.

The previous prime is 2259889. The next prime is 2259913. The reversal of 2259900 is 99522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 72885 + ... + 72915.

2^2259900 is an apocalyptic number.

2259900 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 2259900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3794896).

2259900 is an abundant number, since it is smaller than the sum of its proper divisors (5329892).

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

2259900 is a wasteful number, since it uses less digits than its factorization.

2259900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 2259900 is about 1503.2963779641. The cubic root of 2259900 is about 131.2289762244.

The spelling of 2259900 in words is "two million, two hundred fifty-nine thousand, nine hundred".