7221233721342 has 32 divisors (see below), whose sum is σ = 14651821327104. Its totient is φ = 2372213088000.

The previous prime is 7221233721337. The next prime is 7221233721379. The reversal of 7221233721342 is 2431273321227.

It is a self number, because there is not a number n which added to its sum of digits gives 7221233721342.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2384659 + ... + 4486542.

It is an arithmetic number, because the mean of its divisors is an integer number (457869416472).

Almost surely, 2^{7221233721342} is an apocalyptic number.

7221233721342 is an abundant number, since it is smaller than the sum of its proper divisors (7430587605762).

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

7221233721342 is a wasteful number, since it uses less digits than its factorization.

7221233721342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873744.

The product of its digits is 169344, while the sum is 39.

The spelling of 7221233721342 in words is "seven trillion, two hundred twenty-one billion, two hundred thirty-three million, seven hundred twenty-one thousand, three hundred forty-two".