2223838477865 has 64 divisors (see below), whose sum is σ = 2813454978048. Its totient is φ = 1685463552000.

The previous prime is 2223838477843. The next prime is 2223838477873. The reversal of 2223838477865 is 5687748383222.

It is a happy number.

It is not a de Polignac number, because 2223838477865 - 2²⁴ = 2223821700649 is a prime.

It is a Duffinian number.

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 63 ways as a sum of consecutive naturals, for example, 1990902287 + ... + 1990903403.

It is an arithmetic number, because the mean of its divisors is an integer number (43960234032).

Almost surely, 2^{2223838477865} is an apocalyptic number.

It is an amenable number.

2223838477865 is a deficient number, since it is larger than the sum of its proper divisors (589616500183).

2223838477865 is a wasteful number, since it uses less digits than its factorization.

2223838477865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its digits is 216760320, while the sum is 65.

The spelling of 2223838477865 in words is "two trillion, two hundred twenty-three billion, eight hundred thirty-eight million, four hundred seventy-seven thousand, eight hundred sixty-five".