22004853351521 has 32 divisors (see below), whose sum is σ = 22809239126016. Its totient is φ = 21214681488000.

The previous prime is 22004853351451. The next prime is 22004853351571. The reversal of 22004853351521 is 12515335840022.

It is a cyclic number.

It is not a de Polignac number, because 22004853351521 - 2¹⁰ = 22004853350497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22004853351571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2018232956 + ... + 2018243858.

It is an arithmetic number, because the mean of its divisors is an integer number (712788722688).

Almost surely, 2^{22004853351521} is an apocalyptic number.

It is an amenable number.

22004853351521 is a deficient number, since it is larger than the sum of its proper divisors (804385774495).

22004853351521 is a wasteful number, since it uses less digits than its factorization.

22004853351521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12573.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 22004853351521 in words is "twenty-two trillion, four billion, eight hundred fifty-three million, three hundred fifty-one thousand, five hundred twenty-one".