2722073722457 has 4 divisors (see below), whose sum is σ = 2722078106880. Its totient is φ = 2722069338036.

The previous prime is 2722073722409. The next prime is 2722073722471. The reversal of 2722073722457 is 7542273702272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722073722457 is a prime.

It is a super-2 number, since 2×2722073722457² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722073722657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069157 + ... + 2566562.

It is an arithmetic number, because the mean of its divisors is an integer number (680519526720).

Almost surely, 2^{2722073722457} is an apocalyptic number.

It is an amenable number.

2722073722457 is a deficient number, since it is larger than the sum of its proper divisors (4384423).

2722073722457 is an equidigital number, since it uses as much as digits as its factorization.

2722073722457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384422.

The product of its (nonzero) digits is 4609920, while the sum is 50.

The spelling of 2722073722457 in words is "two trillion, seven hundred twenty-two billion, seventy-three million, seven hundred twenty-two thousand, four hundred fifty-seven".