2223911394 has 48 divisors (see below), whose sum is σ = 4857109920. Its totient is φ = 735382080.

The previous prime is 2223911357. The next prime is 2223911399. The reversal of 2223911394 is 4931193222.

2223911394 is a `hidden beast` number, since 22 + 239 + 11 + 394 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2223911399) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 2451489 + ... + 2452395.

It is an arithmetic number, because the mean of its divisors is an integer number (101189790).

Almost surely, 2^2223911394 is an apocalyptic number.

2223911394 is an abundant number, since it is smaller than the sum of its proper divisors (2633198526).

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

2223911394 is a wasteful number, since it uses less digits than its factorization.

2223911394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1852 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2223911394 is about 47158.3650479955. The cubic root of 2223911394 is about 1305.2864408444.

It can be divided in two parts, 22239 and 11394, that added together give a palindrome (33633).

The spelling of 2223911394 in words is "two billion, two hundred twenty-three million, nine hundred eleven thousand, three hundred ninety-four".