22041312305 has 16 divisors (see below), whose sum is σ = 26836914000. Its totient is φ = 17375275008.

The previous prime is 22041312299. The next prime is 22041312343. The reversal of 22041312305 is 50321314022.

It can be written as a sum of positive squares in 8 ways, for example, as 3253675681 + 18787636624 = 57041^2 + 137068^2 .

It is a cyclic number.

It is not a de Polignac number, because 22041312305 - 2⁸ = 22041312049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371321 + ... + 426569.

It is an arithmetic number, because the mean of its divisors is an integer number (1677307125).

Almost surely, 2^22041312305 is an apocalyptic number.

It is an amenable number.

22041312305 is a deficient number, since it is larger than the sum of its proper divisors (4795601695).

22041312305 is a wasteful number, since it uses less digits than its factorization.

22041312305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56420.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22041312305 its reverse (50321314022), we get a palindrome (72362626327).

The spelling of 22041312305 in words is "twenty-two billion, forty-one million, three hundred twelve thousand, three hundred five".