2223838477866 has 32 divisors (see below), whose sum is σ = 4681853928000. Its totient is φ = 702251475840.

The previous prime is 2223838477843. The next prime is 2223838477873. The reversal of 2223838477866 is 6687748383222.

It is a junction number, because it is equal to n+sod(n) for n = 2223838477797 and 2223838477806.

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 15 ways as a sum of consecutive naturals, for example, 7118110 + ... + 7423958.

It is an arithmetic number, because the mean of its divisors is an integer number (146307935250).

Almost surely, 2^{2223838477866} is an apocalyptic number.

2223838477866 is an abundant number, since it is smaller than the sum of its proper divisors (2458015450134).

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

2223838477866 is a wasteful number, since it uses less digits than its factorization.

2223838477866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369654.

The product of its digits is 260112384, while the sum is 66.

The spelling of 2223838477866 in words is "two trillion, two hundred twenty-three billion, eight hundred thirty-eight million, four hundred seventy-seven thousand, eight hundred sixty-six".