13222051757 has 2 divisors, whose sum is σ = 13222051758. Its totient is φ = 13222051756.

The previous prime is 13222051753. The next prime is 13222051793. The reversal of 13222051757 is 75715022231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13219020676 + 3031081 = 114974^2 + 1741^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222051757 - 2² = 13222051753 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13222051753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611025878 + 6611025879.

It is an arithmetic number, because the mean of its divisors is an integer number (6611025879).

Almost surely, 2^13222051757 is an apocalyptic number.

It is an amenable number.

13222051757 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222051757 is an equidigital number, since it uses as much as digits as its factorization.

13222051757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

Adding to 13222051757 its reverse (75715022231), we get a palindrome (88937073988).

The spelling of 13222051757 in words is "thirteen billion, two hundred twenty-two million, fifty-one thousand, seven hundred fifty-seven".