22553444301257 has 2 divisors, whose sum is σ = 22553444301258. Its totient is φ = 22553444301256.

The previous prime is 22553444301229. The next prime is 22553444301347. The reversal of 22553444301257 is 75210344435522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18689876666041 + 3863567635216 = 4323179^2 + 1965596^2 .

It is a cyclic number.

It is not a de Polignac number, because 22553444301257 - 2¹² = 22553444297161 is a prime.

It is not a weakly prime, because it can be changed into another prime (22553444304257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276722150628 + 11276722150629.

It is an arithmetic number, because the mean of its divisors is an integer number (11276722150629).

Almost surely, 2^{22553444301257} is an apocalyptic number.

It is an amenable number.

22553444301257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22553444301257 is an equidigital number, since it uses as much as digits as its factorization.

22553444301257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 47.

Adding to 22553444301257 its reverse (75210344435522), we get a palindrome (97763788736779).

The spelling of 22553444301257 in words is "twenty-two trillion, five hundred fifty-three billion, four hundred forty-four million, three hundred one thousand, two hundred fifty-seven".