222123340243044 has 96 divisors (see below), whose sum is σ = 581965350825600. Its totient is φ = 73259796044160.

The previous prime is 222123340243037. The next prime is 222123340243097. The reversal of 222123340243044 is 440342043321222.

222123340243044 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 2 + 3 + 340 + 2 + 4 + 304 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2218659 + ... + 21193610.

It is an arithmetic number, because the mean of its divisors is an integer number (6062139071100).

Almost surely, 2^{222123340243044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222123340243044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290982675412800).

222123340243044 is an abundant number, since it is smaller than the sum of its proper divisors (359842010582556).

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

222123340243044 is a wasteful number, since it uses less digits than its factorization.

222123340243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23413210 (or 23413202 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 222123340243044 its reverse (440342043321222), we get a palindrome (662465383564266).

The spelling of 222123340243044 in words is "two hundred twenty-two trillion, one hundred twenty-three billion, three hundred forty million, two hundred forty-three thousand, forty-four".