7221415056 has 40 divisors (see below), whose sum is σ = 18660159840. Its totient is φ = 2406514176.

The previous prime is 7221415039. The next prime is 7221415067. The reversal of 7221415056 is 6505141227.

It is a super-2 number, since 2×7221415056² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190936 + ... + 225608.

It is an arithmetic number, because the mean of its divisors is an integer number (466503996).

Almost surely, 2^7221415056 is an apocalyptic number.

It is an amenable number.

7221415056 is an abundant number, since it is smaller than the sum of its proper divisors (11438744784).

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

7221415056 is a wasteful number, since it uses less digits than its factorization.

7221415056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39023 (or 39017 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 7221415056 is about 84978.9094775874. The cubic root of 7221415056 is about 1932.8913195879.

The spelling of 7221415056 in words is "seven billion, two hundred twenty-one million, four hundred fifteen thousand, fifty-six".