223444212044 has 6 divisors (see below), whose sum is σ = 391027371084. Its totient is φ = 111722106020.

The previous prime is 223444212023. The next prime is 223444212067. The reversal of 223444212044 is 440212444322.

It is a self number, because there is not a number n which added to its sum of digits gives 223444212044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27930526502 + ... + 27930526509.

It is an arithmetic number, because the mean of its divisors is an integer number (65171228514).

Almost surely, 2^223444212044 is an apocalyptic number.

It is an amenable number.

223444212044 is a deficient number, since it is larger than the sum of its proper divisors (167583159040).

223444212044 is a wasteful number, since it uses less digits than its factorization.

223444212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55861053015 (or 55861053013 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 223444212044 its reverse (440212444322), we get a palindrome (663656656366).

The spelling of 223444212044 in words is "two hundred twenty-three billion, four hundred forty-four million, two hundred twelve thousand, forty-four".