222232105555 has 4 divisors (see below), whose sum is σ = 266678526672. Its totient is φ = 177785684440.

The previous prime is 222232105541. The next prime is 222232105559. The reversal of 222232105555 is 555501232222.

It is a happy number.

222232105555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222232105555 - 2⁵ = 222232105523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222232105555.

It is not an unprimeable number, because it can be changed into a prime (222232105559) by changing a digit.

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, 22223210551 + ... + 22223210560.

It is an arithmetic number, because the mean of its divisors is an integer number (66669631668).

Almost surely, 2^222232105555 is an apocalyptic number.

222232105555 is a deficient number, since it is larger than the sum of its proper divisors (44446421117).

222232105555 is an equidigital number, since it uses as much as digits as its factorization.

222232105555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44446421116.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 222232105555 its reverse (555501232222), we get a palindrome (777733337777).

The spelling of 222232105555 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred five thousand, five hundred fifty-five".