2116772226 has 24 divisors (see below), whose sum is σ = 4629207024. Its totient is φ = 698995800.

The previous prime is 2116772201. The next prime is 2116772227. The reversal of 2116772226 is 6222776112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2116772227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547600 + ... + 551451.

It is an arithmetic number, because the mean of its divisors is an integer number (192883626).

Almost surely, 2^2116772226 is an apocalyptic number.

2116772226 is an abundant number, since it is smaller than the sum of its proper divisors (2512434798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116772226 is a wasteful number, since it uses less digits than its factorization.

2116772226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099166 (or 1099163 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 2116772226 is about 46008.3929951916. The cubic root of 2116772226 is about 1283.9793610390.

The spelling of 2116772226 in words is "two billion, one hundred sixteen million, seven hundred seventy-two thousand, two hundred twenty-six".