2722023643 has 4 divisors (see below), whose sum is σ = 2732142960. Its totient is φ = 2711904328.

The previous prime is 2722023641. The next prime is 2722023671. The reversal of 2722023643 is 3463202272.

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 2722023643 - 2¹ = 2722023641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722023641) 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, 5059255 + ... + 5059792.

It is an arithmetic number, because the mean of its divisors is an integer number (683035740).

Almost surely, 2^2722023643 is an apocalyptic number.

2722023643 is a deficient number, since it is larger than the sum of its proper divisors (10119317).

2722023643 is a wasteful number, since it uses less digits than its factorization.

2722023643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119316.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 2722023643 is about 52173.0164261182. The cubic root of 2722023643 is about 1396.2525020266.

The spelling of 2722023643 in words is "two billion, seven hundred twenty-two million, twenty-three thousand, six hundred forty-three".