2281104 has 120 divisors (see below), whose sum is σ = 7634432. Its totient is φ = 622080.

The previous prime is 2281099. The next prime is 2281109. The reversal of 2281104 is 4011822.

It is an interprime number because it is at equal distance from previous prime (2281099) and next prime (2281109).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31212 + ... + 31284.

2^2281104 is an apocalyptic number.

2281104 is a gapful number since it is divisible by the number (24) 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 2281104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817216).

2281104 is an abundant number, since it is smaller than the sum of its proper divisors (5353328).

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

2281104 is a wasteful number, since it uses less digits than its factorization.

2281104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2281104 is about 1510.3324137421. The cubic root of 2281104 is about 131.6381273044.

Adding to 2281104 its reverse (4011822), we get a palindrome (6292926).

The spelling of 2281104 in words is "two million, two hundred eighty-one thousand, one hundred four".