2144402 has 16 divisors (see below), whose sum is σ = 3518592. Its totient is φ = 974160.

The previous prime is 2144399. The next prime is 2144407. The reversal of 2144402 is 2044412.

It is not an unprimeable number, because it can be changed into a prime (2144407) 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, 1127 + ... + 2357.

It is an arithmetic number, because the mean of its divisors is an integer number (219912).

2^2144402 is an apocalyptic number.

2144402 is a deficient number, since it is larger than the sum of its proper divisors (1374190).

2144402 is a wasteful number, since it uses less digits than its factorization.

2144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2144402 is about 1464.3776835229. The cubic root of 2144402 is about 128.9541731739.

Adding to 2144402 its reverse (2044412), we get a palindrome (4188814).

The spelling of 2144402 in words is "two million, one hundred forty-four thousand, four hundred two".