2991256922 has 8 divisors (see below), whose sum is σ = 4497595200. Its totient is φ = 1492058524.

The previous prime is 2991256907. The next prime is 2991256937. The reversal of 2991256922 is 2296521992.

It is an interprime number because it is at equal distance from previous prime (2991256907) and next prime (2991256937).

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

It is an unprimeable number.

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, 1783922 + ... + 1785597.

It is an arithmetic number, because the mean of its divisors is an integer number (562199400).

Almost surely, 2^2991256922 is an apocalyptic number.

2991256922 is a deficient number, since it is larger than the sum of its proper divisors (1506338278).

2991256922 is a wasteful number, since it uses less digits than its factorization.

2991256922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569940.

The product of its digits is 349920, while the sum is 47.

The square root of 2991256922 is about 54692.3844972954. The cubic root of 2991256922 is about 1440.8471291859.

The spelling of 2991256922 in words is "two billion, nine hundred ninety-one million, two hundred fifty-six thousand, nine hundred twenty-two".