7221607315151 has 8 divisors (see below), whose sum is σ = 7646435833104. Its totient is φ = 6796781918080.

The previous prime is 7221607315003. The next prime is 7221607315199. The reversal of 7221607315151 is 1515137061227.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7221607315151 is a prime.

It is a super-2 number, since 2×7221607315151² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7221607315099 and 7221607315108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221607315751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5368256 + ... + 6577338.

It is an arithmetic number, because the mean of its divisors is an integer number (955804479138).

Almost surely, 2^{7221607315151} is an apocalyptic number.

7221607315151 is a deficient number, since it is larger than the sum of its proper divisors (424828517953).

7221607315151 is a wasteful number, since it uses less digits than its factorization.

7221607315151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560441.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 7221607315151 in words is "seven trillion, two hundred twenty-one billion, six hundred seven million, three hundred fifteen thousand, one hundred fifty-one".