21838335222048 has 24 divisors (see below), whose sum is σ = 57325629958128. Its totient is φ = 7279445073984.

The previous prime is 21838335222037. The next prime is 21838335222103. The reversal of 21838335222048 is 84022253383812.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113741329186 + ... + 113741329377.

It is an arithmetic number, because the mean of its divisors is an integer number (2388567914922).

Almost surely, 2^{21838335222048} is an apocalyptic number.

It is an amenable number.

21838335222048 is an abundant number, since it is smaller than the sum of its proper divisors (35487294736080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21838335222048 is a wasteful number, since it uses less digits than its factorization.

21838335222048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227482658576 (or 227482658568 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 21838335222048 in words is "twenty-one trillion, eight hundred thirty-eight billion, three hundred thirty-five million, two hundred twenty-two thousand, forty-eight".