21845853022 has 32 divisors (see below), whose sum is σ = 39481044480. Its totient is φ = 8856254880.

The previous prime is 21845853019. The next prime is 21845853037. The reversal of 21845853022 is 22035854812.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 113703 + ... + 237949.

It is an arithmetic number, because the mean of its divisors is an integer number (1233782640).

Almost surely, 2^21845853022 is an apocalyptic number.

21845853022 is a deficient number, since it is larger than the sum of its proper divisors (17635191458).

21845853022 is a wasteful number, since it uses less digits than its factorization.

21845853022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124936.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 21845853022 in words is "twenty-one billion, eight hundred forty-five million, eight hundred fifty-three thousand, twenty-two".