7990222221122 has 16 divisors (see below), whose sum is σ = 12616703887200. Its totient is φ = 3784673043360.

The previous prime is 7990222221089. The next prime is 7990222221131. The reversal of 7990222221122 is 2211222220997.

It is a super-2 number, since 2×7990222221122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7990222221122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3832172 + ... + 5537687.

It is an arithmetic number, because the mean of its divisors is an integer number (788543992950).

Almost surely, 2^{7990222221122} is an apocalyptic number.

7990222221122 is a deficient number, since it is larger than the sum of its proper divisors (4626481666078).

7990222221122 is a wasteful number, since it uses less digits than its factorization.

7990222221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392321.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 7990222221122 in words is "seven trillion, nine hundred ninety billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".