2722145657271 has 4 divisors (see below), whose sum is σ = 3629527543032. Its totient is φ = 1814763771512.

The previous prime is 2722145657263. The next prime is 2722145657321. The reversal of 2722145657271 is 1727565412272.

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

It is a cyclic number.

It is not a de Polignac number, because 2722145657271 - 2³ = 2722145657263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722145657251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453690942876 + ... + 453690942881.

It is an arithmetic number, because the mean of its divisors is an integer number (907381885758).

Almost surely, 2^{2722145657271} is an apocalyptic number.

2722145657271 is a deficient number, since it is larger than the sum of its proper divisors (907381885761).

2722145657271 is an equidigital number, since it uses as much as digits as its factorization.

2722145657271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907381885760.

The product of its digits is 3292800, while the sum is 51.

The spelling of 2722145657271 in words is "two trillion, seven hundred twenty-two billion, one hundred forty-five million, six hundred fifty-seven thousand, two hundred seventy-one".