7222099968 has 192 divisors, whose sum is σ = 21660103920. Its totient is φ = 2404712448.

The previous prime is 7222099903. The next prime is 7222099991. The reversal of 7222099968 is 8699902227.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7962171 + ... + 7963077.

Almost surely, 2^7222099968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222099968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10830051960).

7222099968 is an abundant number, since it is smaller than the sum of its proper divisors (14438003952).

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

7222099968 is an frugal number, since it uses more digits than its factorization.

7222099968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 7222099968 is about 84982.9392760688. The cubic root of 7222099968 is about 1932.9524257376.

The spelling of 7222099968 in words is "seven billion, two hundred twenty-two million, ninety-nine thousand, nine hundred sixty-eight".