22105130345 has 8 divisors (see below), whose sum is σ = 28086518664. Its totient is φ = 16643862784.

The previous prime is 22105130323. The next prime is 22105130371. The reversal of 22105130345 is 54303150122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 873143401 + 21231986944 = 29549^2 + 145712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22105130345 - 2¹² = 22105126249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130030094 + ... + 130030263.

It is an arithmetic number, because the mean of its divisors is an integer number (3510814833).

Almost surely, 2^22105130345 is an apocalyptic number.

It is an amenable number.

22105130345 is a deficient number, since it is larger than the sum of its proper divisors (5981388319).

22105130345 is a wasteful number, since it uses less digits than its factorization.

22105130345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260060379.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 22105130345 its reverse (54303150122), we get a palindrome (76408280467).

The spelling of 22105130345 in words is "twenty-two billion, one hundred five million, one hundred thirty thousand, three hundred forty-five".