2278442220141 has 16 divisors (see below), whose sum is σ = 3071088011264. Its totient is φ = 1502397794304.

The previous prime is 2278442220139. The next prime is 2278442220151. The reversal of 2278442220141 is 1410222448722.

It is not a de Polignac number, because 2278442220141 - 2¹ = 2278442220139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2278442220141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278442220151) 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, 1870156 + ... + 2838021.

It is an arithmetic number, because the mean of its divisors is an integer number (191943000704).

Almost surely, 2^{2278442220141} is an apocalyptic number.

It is an amenable number.

2278442220141 is a deficient number, since it is larger than the sum of its proper divisors (792645791123).

2278442220141 is a wasteful number, since it uses less digits than its factorization.

2278442220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709940.

The product of its (nonzero) digits is 114688, while the sum is 39.

Adding to 2278442220141 its reverse (1410222448722), we get a palindrome (3688664668863).

The spelling of 2278442220141 in words is "two trillion, two hundred seventy-eight billion, four hundred forty-two million, two hundred twenty thousand, one hundred forty-one".