22221960055 has 32 divisors (see below), whose sum is σ = 29108851200. Its totient is φ = 16227361152.

The previous prime is 22221960029. The next prime is 22221960109. The reversal of 22221960055 is 55006912222.

It is a cyclic number.

It is not a de Polignac number, because 22221960055 - 2¹¹ = 22221958007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22221960055.

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 31 ways as a sum of consecutive naturals, for example, 331356 + ... + 392734.

It is an arithmetic number, because the mean of its divisors is an integer number (909651600).

Almost surely, 2^22221960055 is an apocalyptic number.

22221960055 is a deficient number, since it is larger than the sum of its proper divisors (6886891145).

22221960055 is a wasteful number, since it uses less digits than its factorization.

22221960055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61543.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 22221960055 in words is "twenty-two billion, two hundred twenty-one million, nine hundred sixty thousand, fifty-five".