2222002222221 has 16 divisors (see below), whose sum is σ = 2965281177600. Its totient is φ = 1480029276528.

The previous prime is 2222002222217. The next prime is 2222002222249. The reversal of 2222002222221 is 1222222002222.

It is not a de Polignac number, because 2222002222221 - 2² = 2222002222217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222002222261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49701340 + ... + 49746026.

It is an arithmetic number, because the mean of its divisors is an integer number (185330073600).

Almost surely, 2^{2222002222221} is an apocalyptic number.

It is an amenable number.

2222002222221 is a deficient number, since it is larger than the sum of its proper divisors (743278955379).

2222002222221 is a wasteful number, since it uses less digits than its factorization.

2222002222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58928.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2222002222221 its reverse (1222222002222), we get a palindrome (3444224224443).

The spelling of 2222002222221 in words is "two trillion, two hundred twenty-two billion, two million, two hundred twenty-two thousand, two hundred twenty-one".