223018694850 has 48 divisors (see below), whose sum is σ = 632098703808. Its totient is φ = 50975701440.

The previous prime is 223018694819. The next prime is 223018694851. The reversal of 223018694850 is 58496810322.

223018694850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 223018694850.

It is not an unprimeable number, because it can be changed into a prime (223018694851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106198329 + ... + 106200428.

It is an arithmetic number, because the mean of its divisors is an integer number (13168722996).

Almost surely, 2^223018694850 is an apocalyptic number.

223018694850 is an abundant number, since it is smaller than the sum of its proper divisors (409080008958).

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

223018694850 is a wasteful number, since it uses less digits than its factorization.

223018694850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212398779 (or 212398774 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 223018694850 in words is "two hundred twenty-three billion, eighteen million, six hundred ninety-four thousand, eight hundred fifty".