222011223220205 has 8 divisors (see below), whose sum is σ = 266421710794104. Its totient is φ = 177603483289600.

The previous prime is 222011223220187. The next prime is 222011223220231. The reversal of 222011223220205 is 502022322110222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53424214600969 + 168587008619236 = 7309187^2 + 12984106^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222011223220205 - 2¹² = 222011223216109 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 7 ways as a sum of consecutive naturals, for example, 686733056 + ... + 687056265.

It is an arithmetic number, because the mean of its divisors is an integer number (33302713849263).

Almost surely, 2^{222011223220205} is an apocalyptic number.

It is an amenable number.

222011223220205 is a deficient number, since it is larger than the sum of its proper divisors (44410487573899).

222011223220205 is a wasteful number, since it uses less digits than its factorization.

222011223220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373821647.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 222011223220205 its reverse (502022322110222), we get a palindrome (724033545330427).

The spelling of 222011223220205 in words is "two hundred twenty-two trillion, eleven billion, two hundred twenty-three million, two hundred twenty thousand, two hundred five".