18581809224022 has 32 divisors (see below), whose sum is σ = 30432404570400. Its totient is φ = 8439109324800.

The previous prime is 18581809223911. The next prime is 18581809224047. The reversal of 18581809224022 is 22042290818581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421057254 + ... + 421101382.

It is an arithmetic number, because the mean of its divisors is an integer number (951012642825).

Almost surely, 2^{18581809224022} is an apocalyptic number.

18581809224022 is a deficient number, since it is larger than the sum of its proper divisors (11850595346378).

18581809224022 is a wasteful number, since it uses less digits than its factorization.

18581809224022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59952.

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 18581809224022 in words is "eighteen trillion, five hundred eighty-one billion, eight hundred nine million, two hundred twenty-four thousand, twenty-two".