2723022681 has 8 divisors (see below), whose sum is σ = 3633917280. Its totient is φ = 1813738272.

The previous prime is 2723022641. The next prime is 2723022707. The reversal of 2723022681 is 1862203272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2723022681 - 2¹⁹ = 2722498393 is a prime.

It is a super-2 number, since 2×2723022681² = 14829705042480855522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2723022641) 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, 398595 + ... + 405368.

It is an arithmetic number, because the mean of its divisors is an integer number (454239660).

Almost surely, 2^2723022681 is an apocalyptic number.

It is an amenable number.

2723022681 is a deficient number, since it is larger than the sum of its proper divisors (910894599).

2723022681 is a wasteful number, since it uses less digits than its factorization.

2723022681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805095.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2723022681 is about 52182.5898264929. The cubic root of 2723022681 is about 1396.4232988150.

The spelling of 2723022681 in words is "two billion, seven hundred twenty-three million, twenty-two thousand, six hundred eighty-one".