1220000002222 has 16 divisors (see below), whose sum is σ = 1845268030800. Its totient is φ = 604923930688.

The previous prime is 1220000002213. The next prime is 1220000002231. The reversal of 1220000002222 is 2222000000221.

It is an interprime number because it is at equal distance from previous prime (1220000002213) and next prime (1220000002231).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3133768 + ... + 3501499.

It is an arithmetic number, because the mean of its divisors is an integer number (115329251925).

Almost surely, 2^{1220000002222} is an apocalyptic number.

1220000002222 is a deficient number, since it is larger than the sum of its proper divisors (625268028578).

1220000002222 is a wasteful number, since it uses less digits than its factorization.

1220000002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636035.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1220000002222 its reverse (2222000000221), we get a palindrome (3442000002443).

The spelling of 1220000002222 in words is "one trillion, two hundred twenty billion, two thousand, two hundred twenty-two".