7221333721342 has 64 divisors (see below), whose sum is σ = 11899828987200. Its totient is φ = 3266317716480.

The previous prime is 7221333721297. The next prime is 7221333721351. The reversal of 7221333721342 is 2431273331227.

It is a junction number, because it is equal to n+sod(n) for n = 7221333721295 and 7221333721304.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 493624084 + ... + 493638712.

It is an arithmetic number, because the mean of its divisors is an integer number (185934827925).

Almost surely, 2^{7221333721342} is an apocalyptic number.

7221333721342 is a deficient number, since it is larger than the sum of its proper divisors (4678495265858).

7221333721342 is a wasteful number, since it uses less digits than its factorization.

7221333721342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821.

The product of its digits is 254016, while the sum is 40.

The spelling of 7221333721342 in words is "seven trillion, two hundred twenty-one billion, three hundred thirty-three million, seven hundred twenty-one thousand, three hundred forty-two".