2993022721 has 8 divisors (see below), whose sum is σ = 3225357800. Its totient is φ = 2760988032.

The previous prime is 2993022713. The next prime is 2993022733. The reversal of 2993022721 is 1272203992.

It can be written as a sum of positive squares in 4 ways, for example, as 9678321 + 2983344400 = 3111^2 + 54620^2 .

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 2993022721 - 2³ = 2993022713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2993092721) 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, 54180 + ... + 94453.

It is an arithmetic number, because the mean of its divisors is an integer number (403169725).

Almost surely, 2^2993022721 is an apocalyptic number.

It is an amenable number.

2993022721 is a deficient number, since it is larger than the sum of its proper divisors (232335079).

2993022721 is a wasteful number, since it uses less digits than its factorization.

2993022721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150195.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2993022721 is about 54708.5251217760. The cubic root of 2993022721 is about 1441.1305937417.

The spelling of 2993022721 in words is "two billion, nine hundred ninety-three million, twenty-two thousand, seven hundred twenty-one".