7220755446 has 16 divisors (see below), whose sum is σ = 14457374208. Its totient is φ = 2404274600.

The previous prime is 7220755441. The next prime is 7220755463. The reversal of 7220755446 is 6445570227.

7220755446 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 7220755398 and 7220755407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220755441) by changing a digit.

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, 655050 + ... + 665981.

It is an arithmetic number, because the mean of its divisors is an integer number (903585888).

Almost surely, 2^7220755446 is an apocalyptic number.

7220755446 is an abundant number, since it is smaller than the sum of its proper divisors (7236618762).

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

7220755446 is a wasteful number, since it uses less digits than its factorization.

7220755446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321947.

The product of its (nonzero) digits is 470400, while the sum is 42.

The square root of 7220755446 is about 84975.0283671621. The cubic root of 7220755446 is about 1932.8324671675.

The spelling of 7220755446 in words is "seven billion, two hundred twenty million, seven hundred fifty-five thousand, four hundred forty-six".