222210055 has 4 divisors (see below), whose sum is σ = 266652072. Its totient is φ = 177768040.

The previous prime is 222210047. The next prime is 222210067. The reversal of 222210055 is 550012222.

222210055 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 222210055 - 2³ = 222210047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22221001 + ... + 22221010.

It is an arithmetic number, because the mean of its divisors is an integer number (66663018).

Almost surely, 2^222210055 is an apocalyptic number.

222210055 is a deficient number, since it is larger than the sum of its proper divisors (44442017).

222210055 is an equidigital number, since it uses as much as digits as its factorization.

222210055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44442016.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 222210055 is about 14906.7117433725. The cubic root of 222210055 is about 605.6958094206.

Adding to 222210055 its reverse (550012222), we get a palindrome (772222277).

The spelling of 222210055 in words is "two hundred twenty-two million, two hundred ten thousand, fifty-five".