22005408356553 has 32 divisors (see below), whose sum is σ = 31619027865600. Its totient is φ = 13569188777856.

The previous prime is 22005408356551. The next prime is 22005408356579. The reversal of 22005408356553 is 35565380450022.

It is not a de Polignac number, because 22005408356553 - 2¹ = 22005408356551 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22005408356551) 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, 8945901 + ... + 11137322.

It is an arithmetic number, because the mean of its divisors is an integer number (988094620800).

Almost surely, 2^{22005408356553} is an apocalyptic number.

It is an amenable number.

22005408356553 is a deficient number, since it is larger than the sum of its proper divisors (9613619509047).

22005408356553 is a wasteful number, since it uses less digits than its factorization.

22005408356553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083701.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 22005408356553 in words is "twenty-two trillion, five billion, four hundred eight million, three hundred fifty-six thousand, five hundred fifty-three".