2163789226 has 4 divisors (see below), whose sum is σ = 3245683842. Its totient is φ = 1081894612.

The previous prime is 2163789157. The next prime is 2163789253. The reversal of 2163789226 is 6229873612.

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., 1548501201 + 615288025 = 39351^2 + 24805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540947305 + ... + 540947308.

Almost surely, 2^2163789226 is an apocalyptic number.

2163789226 is a deficient number, since it is larger than the sum of its proper divisors (1081894616).

2163789226 is a wasteful number, since it uses less digits than its factorization.

2163789226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081894615.

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

The square root of 2163789226 is about 46516.5478727732. The cubic root of 2163789226 is about 1293.4162650231.

The spelling of 2163789226 in words is "two billion, one hundred sixty-three million, seven hundred eighty-nine thousand, two hundred twenty-six".