2230144 has 64 divisors (see below), whose sum is σ = 5385600. Its totient is φ = 898560.

The previous prime is 2230139. The next prime is 2230147. The reversal of 2230144 is 4410322.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16959 + ... + 17089.

It is an arithmetic number, because the mean of its divisors is an integer number (84150).

2^2230144 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 2230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692800).

2230144 is an abundant number, since it is smaller than the sum of its proper divisors (3155456).

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

2230144 is a wasteful number, since it uses less digits than its factorization.

2230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2230144 is about 1493.3666662947. The cubic root of 2230144 is about 130.6504677036.

Adding to 2230144 its reverse (4410322), we get a palindrome (6640466).

The spelling of 2230144 in words is "two million, two hundred thirty thousand, one hundred forty-four".