22355542513 has 2 divisors, whose sum is σ = 22355542514. Its totient is φ = 22355542512.

The previous prime is 22355542511. The next prime is 22355542541. The reversal of 22355542513 is 31524555322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22330221489 + 25321024 = 149433^2 + 5032^2 .

It is a cyclic number.

It is not a de Polignac number, because 22355542513 - 2¹ = 22355542511 is a prime.

Together with 22355542511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22355542511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11177771256 + 11177771257.

It is an arithmetic number, because the mean of its divisors is an integer number (11177771257).

Almost surely, 2^22355542513 is an apocalyptic number.

It is an amenable number.

22355542513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22355542513 is an equidigital number, since it uses as much as digits as its factorization.

22355542513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 37.

The spelling of 22355542513 in words is "twenty-two billion, three hundred fifty-five million, five hundred forty-two thousand, five hundred thirteen".