22289920845694 has 16 divisors (see below), whose sum is σ = 33983249932800. Its totient is φ = 10962173619360.

The previous prime is 22289920845691. The next prime is 22289920845707. The reversal of 22289920845694 is 49654802998222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22289920845691) 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 in 7 ways as a sum of consecutive naturals, for example, 17558467 + ... + 18785089.

It is an arithmetic number, because the mean of its divisors is an integer number (2123953120800).

Almost surely, 2^{22289920845694} is an apocalyptic number.

22289920845694 is a deficient number, since it is larger than the sum of its proper divisors (11693329087106).

22289920845694 is a wasteful number, since it uses less digits than its factorization.

22289920845694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375635.

The product of its (nonzero) digits is 358318080, while the sum is 70.

The spelling of 22289920845694 in words is "twenty-two trillion, two hundred eighty-nine billion, nine hundred twenty million, eight hundred forty-five thousand, six hundred ninety-four".