2144432 has 20 divisors (see below), whose sum is σ = 4199136. Its totient is φ = 1060800.

The previous prime is 2144419. The next prime is 2144437. The reversal of 2144432 is 2344412.

2144432 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (2144437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953 + ... + 2279.

2^2144432 is an apocalyptic number.

It is an amenable number.

2144432 is a deficient number, since it is larger than the sum of its proper divisors (2054704).

2144432 is a wasteful number, since it uses less digits than its factorization.

2144432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1430 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 2144432 is about 1464.3879267462. The cubic root of 2144432 is about 128.9547745237.

Subtracting from 2144432 its sum of digits (20), we obtain a palindrome (2144412).

Adding to 2144432 its reverse (2344412), we get a palindrome (4488844).

The spelling of 2144432 in words is "two million, one hundred forty-four thousand, four hundred thirty-two".