7221233721344 has 28 divisors (see below), whose sum is σ = 14441585960814. Its totient is φ = 3610616856576.

The previous prime is 7221233721337. The next prime is 7221233721379. The reversal of 7221233721344 is 4431273321227.

It can be written as a sum of positive squares in only one way, i.e., 5593792614400 + 1627441106944 = 2365120^2 + 1275712^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440740937 + ... + 440757320.

Almost surely, 2^{7221233721344} is an apocalyptic number.

It is an amenable number.

7221233721344 is a deficient number, since it is larger than the sum of its proper divisors (7220352239470).

7221233721344 is an frugal number, since it uses more digits than its factorization.

7221233721344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881498283 (or 881498259 counting only the distinct ones).

The product of its digits is 338688, while the sum is 41.

The spelling of 7221233721344 in words is "seven trillion, two hundred twenty-one billion, two hundred thirty-three million, seven hundred twenty-one thousand, three hundred forty-four".