18200210221224 has 24 divisors (see below), whose sum is σ = 49292236016010. Its totient is φ = 6066736740384.

The previous prime is 18200210221169. The next prime is 18200210221229. The reversal of 18200210221224 is 42212201200281.

18200210221224 is a `hidden beast` number, since 1 + 8 + 2 + 0 + 0 + 210 + 221 + 224 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12170818368900 + 6029391852324 = 3488670^2 + 2455482^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (18200210221229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126390348687 + ... + 126390348830.

Almost surely, 2^{18200210221224} is an apocalyptic number.

It is an amenable number.

18200210221224 is an abundant number, since it is smaller than the sum of its proper divisors (31092025794786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18200210221224 is a wasteful number, since it uses less digits than its factorization.

18200210221224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252780697529 (or 252780697522 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The spelling of 18200210221224 in words is "eighteen trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-four".