7221057637147 has 8 divisors (see below), whose sum is σ = 7637137540160. Its totient is φ = 6808580157960.

The previous prime is 7221057637133. The next prime is 7221057637177. The reversal of 7221057637147 is 7417367501227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7221057637147 - 2¹⁹ = 7221057112859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7221057637094 and 7221057637103.

It is not an unprimeable number, because it can be changed into a prime (7221057637177) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 900601833 + ... + 900609850.

It is an arithmetic number, because the mean of its divisors is an integer number (954642192520).

Almost surely, 2^{7221057637147} is an apocalyptic number.

7221057637147 is a deficient number, since it is larger than the sum of its proper divisors (416079903013).

7221057637147 is a wasteful number, since it uses less digits than its factorization.

7221057637147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801211913.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 7221057637147 in words is "seven trillion, two hundred twenty-one billion, fifty-seven million, six hundred thirty-seven thousand, one hundred forty-seven".