22501152537233 has 2 divisors, whose sum is σ = 22501152537234. Its totient is φ = 22501152537232.

The previous prime is 22501152537221. The next prime is 22501152537271. The reversal of 22501152537233 is 33273525110522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20390489829889 + 2110662707344 = 4515583^2 + 1452812^2 .

It is a cyclic number.

It is not a de Polignac number, because 22501152537233 - 2¹² = 22501152533137 is a prime.

It is not a weakly prime, because it can be changed into another prime (22501152537293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250576268616 + 11250576268617.

It is an arithmetic number, because the mean of its divisors is an integer number (11250576268617).

Almost surely, 2^{22501152537233} is an apocalyptic number.

It is an amenable number.

22501152537233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22501152537233 is an equidigital number, since it uses as much as digits as its factorization.

22501152537233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 41.

Adding to 22501152537233 its reverse (33273525110522), we get a palindrome (55774677647755).

The spelling of 22501152537233 in words is "twenty-two trillion, five hundred one billion, one hundred fifty-two million, five hundred thirty-seven thousand, two hundred thirty-three".