2978356226 has 16 divisors (see below), whose sum is σ = 4611077280. Its totient is φ = 1442084160.

The previous prime is 2978356223. The next prime is 2978356243. The reversal of 2978356226 is 6226538792.

It is not an unprimeable number, because it can be changed into a prime (2978356223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180455 + ... + 196266.

It is an arithmetic number, because the mean of its divisors is an integer number (288192330).

Almost surely, 2^2978356226 is an apocalyptic number.

2978356226 is a deficient number, since it is larger than the sum of its proper divisors (1632721054).

2978356226 is a wasteful number, since it uses less digits than its factorization.

2978356226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376849.

The product of its digits is 2177280, while the sum is 50.

The square root of 2978356226 is about 54574.3183741217. The cubic root of 2978356226 is about 1438.7727819011.

The spelling of 2978356226 in words is "two billion, nine hundred seventy-eight million, three hundred fifty-six thousand, two hundred twenty-six".