2316978226 has 4 divisors (see below), whose sum is σ = 3475467342. Its totient is φ = 1158489112.

The previous prime is 2316978217. The next prime is 2316978227. The reversal of 2316978226 is 6228796132.

It is a Cunningham number, because it is equal to 48135²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2316978225 + 1 = 48135^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (2316978227) 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 as a sum of consecutive naturals, namely, 579244555 + ... + 579244558.

Almost surely, 2^2316978226 is an apocalyptic number.

2316978226 is a deficient number, since it is larger than the sum of its proper divisors (1158489116).

2316978226 is a wasteful number, since it uses less digits than its factorization.

2316978226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158489115.

The product of its digits is 435456, while the sum is 46.

The square root of 2316978226 is about 48135.0000103875. Note that the first 4 decimals coincide. The cubic root of 2316978226 is about 1323.2461857998.

The spelling of 2316978226 in words is "two billion, three hundred sixteen million, nine hundred seventy-eight thousand, two hundred twenty-six".