2212835378 has 16 divisors (see below), whose sum is σ = 3607379160. Its totient is φ = 1011937536.

The previous prime is 2212835377. The next prime is 2212835419. The reversal of 2212835378 is 8735382122.

It can be written as a sum of positive squares in 4 ways, for example, as 1336852969 + 875982409 = 36563^2 + 29597^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2212835377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 387575 + ... + 393242.

Almost surely, 2^2212835378 is an apocalyptic number.

2212835378 is a deficient number, since it is larger than the sum of its proper divisors (1394543782).

2212835378 is a wasteful number, since it uses less digits than its factorization.

2212835378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780941.

The product of its digits is 161280, while the sum is 41.

The square root of 2212835378 is about 47040.7841983953. The cubic root of 2212835378 is about 1303.1158745404.

The spelling of 2212835378 in words is "two billion, two hundred twelve million, eight hundred thirty-five thousand, three hundred seventy-eight".