222050320505 has 16 divisors (see below), whose sum is σ = 287008574160. Its totient is φ = 163946343168.

The previous prime is 222050320489. The next prime is 222050320511. The reversal of 222050320505 is 505023050222.

It is a happy number.

222050320505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 33131536 + 222017188969 = 5756^2 + 471187^2 .

It is a cyclic number.

It is not a de Polignac number, because 222050320505 - 2⁴ = 222050320489 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65291 + ... + 669599.

It is an arithmetic number, because the mean of its divisors is an integer number (17938035885).

Almost surely, 2^222050320505 is an apocalyptic number.

It is an amenable number.

222050320505 is a deficient number, since it is larger than the sum of its proper divisors (64958253655).

222050320505 is a wasteful number, since it uses less digits than its factorization.

222050320505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609980.

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 222050320505 its reverse (505023050222), we get a palindrome (727073370727).

The spelling of 222050320505 in words is "two hundred twenty-two billion, fifty million, three hundred twenty thousand, five hundred five".