222200222221 has 8 divisors (see below), whose sum is σ = 231972143040. Its totient is φ = 212437554912.

The previous prime is 222200222077. The next prime is 222200222263. The reversal of 222200222221 is 122222002222.

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 222200222221 - 2³¹ = 220052738573 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 (222200222021) 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, 2264275 + ... + 2360368.

It is an arithmetic number, because the mean of its divisors is an integer number (28996517880).

Almost surely, 2^222200222221 is an apocalyptic number.

It is an amenable number.

222200222221 is a deficient number, since it is larger than the sum of its proper divisors (9771920819).

222200222221 is a wasteful number, since it uses less digits than its factorization.

222200222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626755.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222200222221 its reverse (122222002222), we get a palindrome (344422224443).

The spelling of 222200222221 in words is "two hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-one".