22545457798 has 16 divisors (see below), whose sum is σ = 35638550640. Its totient is φ = 10667289600.

The previous prime is 22545457793. The next prime is 22545457799. The reversal of 22545457798 is 89775454522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545457793) 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 in 7 ways as a sum of consecutive naturals, for example, 303243 + ... + 370198.

It is an arithmetic number, because the mean of its divisors is an integer number (2227409415).

Almost surely, 2^22545457798 is an apocalyptic number.

22545457798 is a deficient number, since it is larger than the sum of its proper divisors (13093092842).

22545457798 is a wasteful number, since it uses less digits than its factorization.

22545457798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674343.

The product of its digits is 28224000, while the sum is 58.

The spelling of 22545457798 in words is "twenty-two billion, five hundred forty-five million, four hundred fifty-seven thousand, seven hundred ninety-eight".