2988122581 has 4 divisors (see below), whose sum is σ = 3084513664. Its totient is φ = 2891731500.

The previous prime is 2988122573. The next prime is 2988122587. The reversal of 2988122581 is 1852218892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2988122581 - 2³ = 2988122573 is a prime.

It is a super-2 number, since 2×2988122581² = 17857753118164203122, 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 (2988122587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48195495 + ... + 48195556.

It is an arithmetic number, because the mean of its divisors is an integer number (771128416).

Almost surely, 2^2988122581 is an apocalyptic number.

It is an amenable number.

2988122581 is a deficient number, since it is larger than the sum of its proper divisors (96391083).

2988122581 is an equidigital number, since it uses as much as digits as its factorization.

2988122581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96391082.

The product of its digits is 184320, while the sum is 46.

The square root of 2988122581 is about 54663.7227144292. The cubic root of 2988122581 is about 1440.3436970563.

The spelling of 2988122581 in words is "two billion, nine hundred eighty-eight million, one hundred twenty-two thousand, five hundred eighty-one".