7208222112 has 144 divisors (see below), whose sum is σ = 25228869120. Its totient is φ = 1901062656.

The previous prime is 7208222101. The next prime is 7208222113. The reversal of 7208222112 is 2112228027.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (7208222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111312 + ... + 163727.

It is an arithmetic number, because the mean of its divisors is an integer number (175200480).

Almost surely, 2^7208222112 is an apocalyptic number.

7208222112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7208222112 is an abundant number, since it is smaller than the sum of its proper divisors (18020647008).

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

7208222112 is a wasteful number, since it uses less digits than its factorization.

7208222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275075 (or 275064 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 7208222112 is about 84901.2491780892. The cubic root of 7208222112 is about 1931.7135231008.

The spelling of 7208222112 in words is "seven billion, two hundred eight million, two hundred twenty-two thousand, one hundred twelve".