2222200221 has 8 divisors (see below), whose sum is σ = 2963153184. Its totient is φ = 1481357040.

The previous prime is 2222200217. The next prime is 2222200241. The reversal of 2222200221 is 1220022222.

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

It is not a de Polignac number, because 2222200221 - 2² = 2222200217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222200241) 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, 56266 + ... + 87236.

It is an arithmetic number, because the mean of its divisors is an integer number (370394148).

Almost surely, 2^2222200221 is an apocalyptic number.

It is an amenable number.

2222200221 is a deficient number, since it is larger than the sum of its proper divisors (740952963).

2222200221 is a wasteful number, since it uses less digits than its factorization.

2222200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54891.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2222200221 is about 47140.2187203242. The cubic root of 2222200221 is about 1304.9515737818.

Adding to 2222200221 its reverse (1220022222), we get a palindrome (3442222443).

The spelling of 2222200221 in words is "two billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-one".