218154817740022 has 16 divisors (see below), whose sum is σ = 337962853187712. Its totient is φ = 105504173933760.

The previous prime is 218154817739983. The next prime is 218154817740037. The reversal of 218154817740022 is 220047718451812.

218154817740022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910026583 + ... + 910266274.

It is an arithmetic number, because the mean of its divisors is an integer number (21122678324232).

Almost surely, 2^{218154817740022} is an apocalyptic number.

218154817740022 is a deficient number, since it is larger than the sum of its proper divisors (119808035447690).

218154817740022 is a wasteful number, since it uses less digits than its factorization.

218154817740022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820294823.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 218154817740022 in words is "two hundred eighteen trillion, one hundred fifty-four billion, eight hundred seventeen million, seven hundred forty thousand, twenty-two".