222640242206 has 16 divisors (see below), whose sum is σ = 338416108800. Its totient is φ = 109836776088.

The previous prime is 222640242131. The next prime is 222640242239. The reversal of 222640242206 is 602242046222.

It is a Curzon 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, 240776 + ... + 709403.

It is an arithmetic number, because the mean of its divisors is an integer number (21151006800).

Almost surely, 2^222640242206 is an apocalyptic number.

222640242206 is a deficient number, since it is larger than the sum of its proper divisors (115775866594).

222640242206 is a wasteful number, since it uses less digits than its factorization.

222640242206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951743.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 222640242206 its reverse (602242046222), we get a palindrome (824882288428).

The spelling of 222640242206 in words is "two hundred twenty-two billion, six hundred forty million, two hundred forty-two thousand, two hundred six".