22113442357 has 2 divisors, whose sum is σ = 22113442358. Its totient is φ = 22113442356.

The previous prime is 22113442327. The next prime is 22113442361. The reversal of 22113442357 is 75324431122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11727590436 + 10385851921 = 108294^2 + 101911^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113442357 - 2⁷ = 22113442229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113442327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056721178 + 11056721179.

It is an arithmetic number, because the mean of its divisors is an integer number (11056721179).

Almost surely, 2^22113442357 is an apocalyptic number.

It is an amenable number.

22113442357 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113442357 is an equidigital number, since it uses as much as digits as its factorization.

22113442357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

Adding to 22113442357 its reverse (75324431122), we get a palindrome (97437873479).

The spelling of 22113442357 in words is "twenty-two billion, one hundred thirteen million, four hundred forty-two thousand, three hundred fifty-seven".