22552917181345 has 16 divisors (see below), whose sum is σ = 27106167931200. Its totient is φ = 18013902064704.

The previous prime is 22552917181313. The next prime is 22552917181349. The reversal of 22552917181345 is 54318171925522.

It is a cyclic number.

It is not a de Polignac number, because 22552917181345 - 2⁵ = 22552917181313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22552917181349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12886606 + ... + 14531704.

It is an arithmetic number, because the mean of its divisors is an integer number (1694135495700).

Almost surely, 2^{22552917181345} is an apocalyptic number.

It is an amenable number.

22552917181345 is a deficient number, since it is larger than the sum of its proper divisors (4553250749855).

22552917181345 is a wasteful number, since it uses less digits than its factorization.

22552917181345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649424.

The product of its digits is 6048000, while the sum is 55.

The spelling of 22552917181345 in words is "twenty-two trillion, five hundred fifty-two billion, nine hundred seventeen million, one hundred eighty-one thousand, three hundred forty-five".