3081388722 has 8 divisors (see below), whose sum is σ = 6162777456. Its totient is φ = 1027129572.

The previous prime is 3081388697. The next prime is 3081388763. The reversal of 3081388722 is 2278831803.

3081388722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3081388722 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256782388 + ... + 256782399.

It is an arithmetic number, because the mean of its divisors is an integer number (770347182).

Almost surely, 2^3081388722 is an apocalyptic number.

3081388722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3081388722 is a wasteful number, since it uses less digits than its factorization.

3081388722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513564792.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 3081388722 is about 55510.2578088050. The cubic root of 3081388722 is about 1455.1759091058.

The spelling of 3081388722 in words is "three billion, eighty-one million, three hundred eighty-eight thousand, seven hundred twenty-two".