2722079389 has 4 divisors (see below), whose sum is σ = 2882201724. Its totient is φ = 2561957056.

The previous prime is 2722079387. The next prime is 2722079429. The reversal of 2722079389 is 9839702272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 903483364 + 1818596025 = 30058^2 + 42645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722079389 - 2¹ = 2722079387 is a prime.

It is a super-2 number, since 2×2722079389² = 14819432400037226642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722079383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80061142 + ... + 80061175.

It is an arithmetic number, because the mean of its divisors is an integer number (720550431).

Almost surely, 2^2722079389 is an apocalyptic number.

It is an amenable number.

2722079389 is a deficient number, since it is larger than the sum of its proper divisors (160122335).

2722079389 is a wasteful number, since it uses less digits than its factorization.

2722079389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160122334.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 2722079389 is about 52173.5506650640. The cubic root of 2722079389 is about 1396.2620335334.

The spelling of 2722079389 in words is "two billion, seven hundred twenty-two million, seventy-nine thousand, three hundred eighty-nine".