222211205 has 8 divisors (see below), whose sum is σ = 267523872. Its totient is φ = 177188688.

The previous prime is 222211201. The next prime is 222211247. The reversal of 222211205 is 502112222.

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

It is a cyclic number.

It is not a de Polignac number, because 222211205 - 2² = 222211201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70847 + ... + 73916.

It is an arithmetic number, because the mean of its divisors is an integer number (33440484).

Almost surely, 2^222211205 is an apocalyptic number.

It is an amenable number.

222211205 is a deficient number, since it is larger than the sum of its proper divisors (45312667).

222211205 is a wasteful number, since it uses less digits than its factorization.

222211205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145075.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 222211205 is about 14906.7503165512. The cubic root of 222211205 is about 605.6968543013.

Adding to 222211205 its reverse (502112222), we get a palindrome (724323427).

The spelling of 222211205 in words is "two hundred twenty-two million, two hundred eleven thousand, two hundred five".