2222222221305 has 32 divisors (see below), whose sum is σ = 3952445944320. Its totient is φ = 1184636586240.

The previous prime is 2222222221223. The next prime is 2222222221309. The reversal of 2222222221305 is 5031222222222.

2222222221305 is a `hidden beast` number, since 2 + 2 + 222 + 222 + 213 + 0 + 5 = 666.

2222222221305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2222222221305 - 2¹⁷ = 2222222090233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2222222221309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3516897 + ... + 4100366.

It is an arithmetic number, because the mean of its divisors is an integer number (123513935760).

Almost surely, 2^{2222222221305} is an apocalyptic number.

It is an amenable number.

2222222221305 is a deficient number, since it is larger than the sum of its proper divisors (1730223723015).

2222222221305 is a wasteful number, since it uses less digits than its factorization.

2222222221305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619438 (or 7619432 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 2222222221305 its reverse (5031222222222), we get a palindrome (7253444443527).

The spelling of 2222222221305 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred five".