213844170022 has 16 divisors (see below), whose sum is σ = 372803397120. Its totient is φ = 90094153608.

The previous prime is 213844170017. The next prime is 213844170047. The reversal of 213844170022 is 220071448312.

It is a self number, because there is not a number n which added to its sum of digits gives 213844170022.

It is a congruent number.

It is an unprimeable number.

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, 129444798 + ... + 129446449.

It is an arithmetic number, because the mean of its divisors is an integer number (23300212320).

Almost surely, 2^213844170022 is an apocalyptic number.

213844170022 is a deficient number, since it is larger than the sum of its proper divisors (158959227098).

213844170022 is a wasteful number, since it uses less digits than its factorization.

213844170022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258891315.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 213844170022 in words is "two hundred thirteen billion, eight hundred forty-four million, one hundred seventy thousand, twenty-two".