7225449951720 has 768 divisors, whose sum is σ = 29929358995200. Its totient is φ = 1371597373440.

The previous prime is 7225449951683. The next prime is 7225449951737. The reversal of 7225449951720 is 271599445227.

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 191 ways as a sum of consecutive naturals, for example, 81517186 + ... + 81605774.

It is an arithmetic number, because the mean of its divisors is an integer number (38970519525).

Almost surely, 2^{7225449951720} is an apocalyptic number.

7225449951720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7225449951720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14964679497600).

7225449951720 is an abundant number, since it is smaller than the sum of its proper divisors (22703909043480).

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

7225449951720 is a wasteful number, since it uses less digits than its factorization.

7225449951720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88738 (or 88727 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 7225449951720 in words is "seven trillion, two hundred twenty-five billion, four hundred forty-nine million, nine hundred fifty-one thousand, seven hundred twenty".