222420666206 has 4 divisors (see below), whose sum is σ = 333630999312. Its totient is φ = 111210333102.

The previous prime is 222420666197. The next prime is 222420666233. The reversal of 222420666206 is 602666024222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222420666206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605166550 + ... + 55605166553.

It is an arithmetic number, because the mean of its divisors is an integer number (83407749828).

Almost surely, 2^222420666206 is an apocalyptic number.

222420666206 is a deficient number, since it is larger than the sum of its proper divisors (111210333106).

222420666206 is a wasteful number, since it uses less digits than its factorization.

222420666206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111210333105.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 222420666206 in words is "two hundred twenty-two billion, four hundred twenty million, six hundred sixty-six thousand, two hundred six".