2978386322 has 8 divisors (see below), whose sum is σ = 4471302972. Its totient is φ = 1487952000.

The previous prime is 2978386297. The next prime is 2978386351. The reversal of 2978386322 is 2236838792.

It can be written as a sum of positive squares in 2 ways, for example, as 1754855881 + 1223530441 = 41891^2 + 34979^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617579 + ... + 622382.

Almost surely, 2^2978386322 is an apocalyptic number.

2978386322 is a deficient number, since it is larger than the sum of its proper divisors (1492916650).

2978386322 is a wasteful number, since it uses less digits than its factorization.

2978386322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241164.

The product of its digits is 1741824, while the sum is 50.

The square root of 2978386322 is about 54574.5941075149. The cubic root of 2978386322 is about 1438.7776281045. Note that the first 3 decimals are identical.

The spelling of 2978386322 in words is "two billion, nine hundred seventy-eight million, three hundred eighty-six thousand, three hundred twenty-two".