2144342242 has 64 divisors (see below), whose sum is σ = 3929333760. Its totient is φ = 857304000.

The previous prime is 2144342219. The next prime is 2144342251. The reversal of 2144342242 is 2422434412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144342242.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7912567 + ... + 7912837.

It is an arithmetic number, because the mean of its divisors is an integer number (61395840).

Almost surely, 2^2144342242 is an apocalyptic number.

2144342242 is a deficient number, since it is larger than the sum of its proper divisors (1784991518).

2144342242 is a wasteful number, since it uses less digits than its factorization.

2144342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 12288, while the sum is 28.

The square root of 2144342242 is about 46307.0431144119. The cubic root of 2144342242 is about 1289.5297530843.

Adding to 2144342242 its reverse (2422434412), we get a palindrome (4566776654).

The spelling of 2144342242 in words is "two billion, one hundred forty-four million, three hundred forty-two thousand, two hundred forty-two".