7151712227722 has 4 divisors (see below), whose sum is σ = 10727568341586. Its totient is φ = 3575856113860.

The previous prime is 7151712227719. The next prime is 7151712227749. The reversal of 7151712227722 is 2277222171517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6465318204601 + 686394023121 = 2542699^2 + 828489^2 .

It is a super-2 number, since 2×7151712227722² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787928056929 + ... + 1787928056932.

Almost surely, 2^{7151712227722} is an apocalyptic number.

7151712227722 is a deficient number, since it is larger than the sum of its proper divisors (3575856113864).

7151712227722 is a wasteful number, since it uses less digits than its factorization.

7151712227722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575856113863.

The product of its digits is 384160, while the sum is 46.

The spelling of 7151712227722 in words is "seven trillion, one hundred fifty-one billion, seven hundred twelve million, two hundred twenty-seven thousand, seven hundred twenty-two".