222664640206 has 4 divisors (see below), whose sum is σ = 333996960312. Its totient is φ = 111332320102.

The previous prime is 222664640197. The next prime is 222664640279. The reversal of 222664640206 is 602046466222.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55666160050 + ... + 55666160053.

It is an arithmetic number, because the mean of its divisors is an integer number (83499240078).

Almost surely, 2^222664640206 is an apocalyptic number.

222664640206 is a deficient number, since it is larger than the sum of its proper divisors (111332320106).

222664640206 is a wasteful number, since it uses less digits than its factorization.

222664640206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111332320105.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 222664640206 in words is "two hundred twenty-two billion, six hundred sixty-four million, six hundred forty thousand, two hundred six".