22554542345 has 16 divisors (see below), whose sum is σ = 28696394880. Its totient is φ = 16959216384.

The previous prime is 22554542333. The next prime is 22554542347. The reversal of 22554542345 is 54324545522.

It is a cyclic number.

It is not a de Polignac number, because 22554542345 - 2²⁰ = 22553493769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22554542347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116717 + ... + 242346.

It is an arithmetic number, because the mean of its divisors is an integer number (1793524680).

Almost surely, 2^22554542345 is an apocalyptic number.

It is an amenable number.

22554542345 is a deficient number, since it is larger than the sum of its proper divisors (6141852535).

22554542345 is a wasteful number, since it uses less digits than its factorization.

22554542345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359824.

The product of its digits is 960000, while the sum is 41.

The spelling of 22554542345 in words is "twenty-two billion, five hundred fifty-four million, five hundred forty-two thousand, three hundred forty-five".