2251044 has 48 divisors (see below), whose sum is σ = 6148800. Its totient is φ = 710208.

The previous prime is 2251031. The next prime is 2251049. The reversal of 2251044 is 4401522.

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

It is not an unprimeable number, because it can be changed into a prime (2251049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504 + ... + 2600.

It is an arithmetic number, because the mean of its divisors is an integer number (128100).

2^2251044 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 2251044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3074400).

2251044 is an abundant number, since it is smaller than the sum of its proper divisors (3897756).

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

2251044 is a wasteful number, since it uses less digits than its factorization.

2251044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2251044 is about 1500.3479596414. The cubic root of 2251044 is about 131.0573336434.

Adding to 2251044 its reverse (4401522), we get a palindrome (6652566).

The spelling of 2251044 in words is "two million, two hundred fifty-one thousand, forty-four".