22590001798 has 32 divisors (see below), whose sum is σ = 41712503616. Its totient is φ = 8935014528.

The previous prime is 22590001783. The next prime is 22590001799. The reversal of 22590001798 is 89710009522.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22590001799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457940 + ... + 1473352.

It is an arithmetic number, because the mean of its divisors is an integer number (1303515738).

Almost surely, 2^22590001798 is an apocalyptic number.

22590001798 is a deficient number, since it is larger than the sum of its proper divisors (19122501818).

22590001798 is a wasteful number, since it uses less digits than its factorization.

22590001798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23488.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 22590001798 in words is "twenty-two billion, five hundred ninety million, one thousand, seven hundred ninety-eight".