7221504920272 has 80 divisors (see below), whose sum is σ = 14427522468352. Its totient is φ = 3499065630720.

The previous prime is 7221504920263. The next prime is 7221504920303. The reversal of 7221504920272 is 2720294051227.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 709585648 + ... + 709595824.

Almost surely, 2^{7221504920272} is an apocalyptic number.

It is an amenable number.

7221504920272 is a deficient number, since it is larger than the sum of its proper divisors (7206017548080).

7221504920272 is a wasteful number, since it uses less digits than its factorization.

7221504920272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14916 (or 14910 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

Adding to 7221504920272 its reverse (2720294051227), we get a palindrome (9941798971499).

The spelling of 7221504920272 in words is "seven trillion, two hundred twenty-one billion, five hundred four million, nine hundred twenty thousand, two hundred seventy-two".