2722256240773 has 8 divisors (see below), whose sum is σ = 2751683699160. Its totient is φ = 2692909739520.

The previous prime is 2722256240729. The next prime is 2722256240777. The reversal of 2722256240773 is 3770426522272.

It can be written as a sum of positive squares in 4 ways, for example, as 604274724 + 2721651966049 = 24582^2 + 1649743^2 .

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 2722256240773 - 2¹³ = 2722256232581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722256240777) 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, 20171668 + ... + 20306173.

It is an arithmetic number, because the mean of its divisors is an integer number (343960462395).

Almost surely, 2^{2722256240773} is an apocalyptic number.

It is an amenable number.

2722256240773 is a deficient number, since it is larger than the sum of its proper divisors (29427458387).

2722256240773 is a wasteful number, since it uses less digits than its factorization.

2722256240773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40478567.

The product of its (nonzero) digits is 3951360, while the sum is 49.

The spelling of 2722256240773 in words is "two trillion, seven hundred twenty-two billion, two hundred fifty-six million, two hundred forty thousand, seven hundred seventy-three".