2228888807144 has 16 divisors (see below), whose sum is σ = 4179283757700. Its totient is φ = 1114413138432.

The previous prime is 2228888807113. The next prime is 2228888807149. The reversal of 2228888807144 is 4417088888222.

It can be written as a sum of positive squares in 2 ways, for example, as 2008280111044 + 220608696100 = 1417138^2 + 469690^2 .

It is a super-2 number, since 2×2228888807144² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2228888807149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603767 + ... + 4176710.

Almost surely, 2^{2228888807144} is an apocalyptic number.

It is an amenable number.

2228888807144 is a deficient number, since it is larger than the sum of its proper divisors (1950394950556).

2228888807144 is a wasteful number, since it uses less digits than its factorization.

2228888807144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816292 (or 7816288 counting only the distinct ones).

The product of its (nonzero) digits is 29360128, while the sum is 62.

The spelling of 2228888807144 in words is "two trillion, two hundred twenty-eight billion, eight hundred eighty-eight million, eight hundred seven thousand, one hundred forty-four".