2144274 has 32 divisors (see below), whose sum is σ = 4774464. Its totient is φ = 636480.

The previous prime is 2144273. The next prime is 2144279. The reversal of 2144274 is 4724412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3192 + ... + 3804.

It is an arithmetic number, because the mean of its divisors is an integer number (149202).

2^2144274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2387232).

2144274 is an abundant number, since it is smaller than the sum of its proper divisors (2630190).

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

2144274 is a wasteful number, since it uses less digits than its factorization.

2144274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its digits is 1792, while the sum is 24.

The square root of 2144274 is about 1464.3339782987. Note that the first 3 decimals coincide. The cubic root of 2144274 is about 128.9516073517.

Adding to 2144274 its reverse (4724412), we get a palindrome (6868686).

The spelling of 2144274 in words is "two million, one hundred forty-four thousand, two hundred seventy-four".