1000000002222 has 48 divisors (see below), whose sum is σ = 2333498403600. Its totient is φ = 307670541696.

The previous prime is 1000000002217. The next prime is 1000000002227. The reversal of 1000000002222 is 2222000000001.

It is an interprime number because it is at equal distance from previous prime (1000000002217) and next prime (1000000002227).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000002227) 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 23 ways as a sum of consecutive naturals, for example, 3335154 + ... + 3622602.

It is an arithmetic number, because the mean of its divisors is an integer number (48614550075).

Almost surely, 2^{1000000002222} is an apocalyptic number.

1000000002222 is an abundant number, since it is smaller than the sum of its proper divisors (1333498401378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000000002222 is a wasteful number, since it uses less digits than its factorization.

1000000002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302337 (or 302334 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 1000000002222 its reverse (2222000000001), we get a palindrome (3222000002223).

The spelling of 1000000002222 in words is "one trillion, two thousand, two hundred twenty-two".