2236258978 has 16 divisors (see below), whose sum is σ = 3389763960. Its totient is φ = 1106352000.

The previous prime is 2236258961. The next prime is 2236259041. The reversal of 2236258978 is 8798526322.

It can be written as a sum of positive squares in 4 ways, for example, as 1983544369 + 252714609 = 44537^2 + 15897^2 .

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 7 ways as a sum of consecutive naturals, for example, 470518 + ... + 475246.

Almost surely, 2^2236258978 is an apocalyptic number.

2236258978 is a deficient number, since it is larger than the sum of its proper divisors (1153504982).

2236258978 is a wasteful number, since it uses less digits than its factorization.

2236258978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173.

The product of its digits is 2903040, while the sum is 52.

The square root of 2236258978 is about 47289.0999914357. The cubic root of 2236258978 is about 1307.6977175418.

The spelling of 2236258978 in words is "two billion, two hundred thirty-six million, two hundred fifty-eight thousand, nine hundred seventy-eight".