2225666811 has 16 divisors (see below), whose sum is σ = 3039206400. Its totient is φ = 1448130048.

The previous prime is 2225666777. The next prime is 2225666867. The reversal of 2225666811 is 1186665222.

It is not a de Polignac number, because 2225666811 - 2⁶ = 2225666747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2225666811.

It is not an unprimeable number, because it can be changed into a prime (2225666011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28635 + ... + 72603.

It is an arithmetic number, because the mean of its divisors is an integer number (189950400).

Almost surely, 2^2225666811 is an apocalyptic number.

2225666811 is a deficient number, since it is larger than the sum of its proper divisors (813539589).

2225666811 is a wasteful number, since it uses less digits than its factorization.

2225666811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44378.

The product of its digits is 69120, while the sum is 39.

The square root of 2225666811 is about 47176.9733132595. The cubic root of 2225666811 is about 1305.6297877666.

The spelling of 2225666811 in words is "two billion, two hundred twenty-five million, six hundred sixty-six thousand, eight hundred eleven".