7221583472796 has 480 divisors, whose sum is σ = 23709174128640. Its totient is φ = 1862069212800.

The previous prime is 7221583472773. The next prime is 7221583472839. The reversal of 7221583472796 is 6972743851227.

It is a happy number.

7221583472796 is a `hidden beast` number, since 7 + 2 + 2 + 1 + 583 + 47 + 2 + 7 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 159 ways as a sum of consecutive naturals, for example, 2040569995 + ... + 2040573533.

It is an arithmetic number, because the mean of its divisors is an integer number (49394112768).

Almost surely, 2^{7221583472796} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7221583472796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11854587064320).

7221583472796 is an abundant number, since it is smaller than the sum of its proper divisors (16487590655844).

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

7221583472796 is a wasteful number, since it uses less digits than its factorization.

7221583472796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4136 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 7221583472796 in words is "seven trillion, two hundred twenty-one billion, five hundred eighty-three million, four hundred seventy-two thousand, seven hundred ninety-six".