1002200222222 has 4 divisors (see below), whose sum is σ = 1503300333336. Its totient is φ = 501100111110.

The previous prime is 1002200222203. The next prime is 1002200222227. The reversal of 1002200222222 is 2222220022001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002200222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002200222227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250550055554 + ... + 250550055557.

It is an arithmetic number, because the mean of its divisors is an integer number (375825083334).

Almost surely, 2^{1002200222222} is an apocalyptic number.

1002200222222 is a deficient number, since it is larger than the sum of its proper divisors (501100111114).

1002200222222 is an equidigital number, since it uses as much as digits as its factorization.

1002200222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501100111113.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1002200222222 its reverse (2222220022001), we get a palindrome (3224420244223).

The spelling of 1002200222222 in words is "one trillion, two billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-two".