118222811 has 16 divisors (see below), whose sum is σ = 143502336. Its totient is φ = 95078016.

The previous prime is 118222801. The next prime is 118222831.

118222811 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118222811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118222801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42320 + ... + 45026.

It is an arithmetic number, because the mean of its divisors is an integer number (8968896).

Almost surely, 2^118222811 is an apocalyptic number.

118222811 is a deficient number, since it is larger than the sum of its proper divisors (25279525).

118222811 is a wasteful number, since it uses less digits than its factorization.

118222811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its digits is 512, while the sum is 26.

The square root of 118222811 is about 10873.0313620443. The cubic root of 118222811 is about 490.7953361576.

The spelling of 118222811 in words is "one hundred eighteen million, two hundred twenty-two thousand, eight hundred eleven".