2144402022242 has 128 divisors (see below), whose sum is σ = 3624439633920. Its totient is φ = 946873774080.

The previous prime is 2144402022239. The next prime is 2144402022247. The reversal of 2144402022242 is 2422202044412.

It is not an unprimeable number, because it can be changed into a prime (2144402022247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2150854088 + ... + 2150855084.

It is an arithmetic number, because the mean of its divisors is an integer number (28315934640).

Almost surely, 2^{2144402022242} is an apocalyptic number.

2144402022242 is a deficient number, since it is larger than the sum of its proper divisors (1480037611678).

2144402022242 is a wasteful number, since it uses less digits than its factorization.

2144402022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 2144402022242 its reverse (2422202044412), we get a palindrome (4566604066654).

The spelling of 2144402022242 in words is "two trillion, one hundred forty-four billion, four hundred two million, twenty-two thousand, two hundred forty-two".