2163242 has 32 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 950400.

The previous prime is 2163241. The next prime is 2163247. The reversal of 2163242 is 2423612.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 6 + 3 + 2⁹ + 4⁸ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2163241) 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, 52742 + ... + 52782.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

2^2163242 is an apocalyptic number.

2163242 is a deficient number, since it is larger than the sum of its proper divisors (1513942).

2163242 is a wasteful number, since it uses less digits than its factorization.

2163242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

The product of its digits is 576, while the sum is 20.

The square root of 2163242 is about 1470.7963829164. The cubic root of 2163242 is about 129.3307220101.

Adding to 2163242 its reverse (2423612), we get a palindrome (4586854).

The spelling of 2163242 in words is "two million, one hundred sixty-three thousand, two hundred forty-two".