22012313177 has 2 divisors, whose sum is σ = 22012313178. Its totient is φ = 22012313176.

The previous prime is 22012313153. The next prime is 22012313287. The reversal of 22012313177 is 77131321022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17357799001 + 4654514176 = 131749^2 + 68224^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012313177 - 2¹⁶ = 22012247641 is a prime.

It is not a weakly prime, because it can be changed into another prime (22012313077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006156588 + 11006156589.

It is an arithmetic number, because the mean of its divisors is an integer number (11006156589).

Almost surely, 2^22012313177 is an apocalyptic number.

It is an amenable number.

22012313177 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012313177 is an equidigital number, since it uses as much as digits as its factorization.

22012313177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 22012313177 its reverse (77131321022), we get a palindrome (99143634199).

The spelling of 22012313177 in words is "twenty-two billion, twelve million, three hundred thirteen thousand, one hundred seventy-seven".