2218385220050 has 48 divisors (see below), whose sum is σ = 4299106482432. Its totient is φ = 850704187200.

The previous prime is 2218385220031. The next prime is 2218385220083. The reversal of 2218385220050 is 500225838122.

It is a junction number, because it is equal to n+sod(n) for n = 2218385219986 and 2218385220013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6522077 + ... + 6853776.

It is an arithmetic number, because the mean of its divisors is an integer number (89564718384).

Almost surely, 2^{2218385220050} is an apocalyptic number.

2218385220050 is a deficient number, since it is larger than the sum of its proper divisors (2080721262382).

2218385220050 is a wasteful number, since it uses less digits than its factorization.

2218385220050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13376003 (or 13375998 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 2218385220050 in words is "two trillion, two hundred eighteen billion, three hundred eighty-five million, two hundred twenty thousand, fifty".