2147788854722 has 16 divisors (see below), whose sum is σ = 3898507501440. Its totient is φ = 866335000128.

The previous prime is 2147788854707. The next prime is 2147788854727. The reversal of 2147788854722 is 2274588877412.

It is a happy number.

It is a super-2 number, since 2×2147788854722² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147788854727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4512161222 + ... + 4512161697.

It is an arithmetic number, because the mean of its divisors is an integer number (243656718840).

Almost surely, 2^{2147788854722} is an apocalyptic number.

2147788854722 is a deficient number, since it is larger than the sum of its proper divisors (1750718646718).

2147788854722 is a wasteful number, since it uses less digits than its factorization.

2147788854722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024322945.

The product of its digits is 112394240, while the sum is 65.

The spelling of 2147788854722 in words is "two trillion, one hundred forty-seven billion, seven hundred eighty-eight million, eight hundred fifty-four thousand, seven hundred twenty-two".