115223211 has 6 divisors (see below), whose sum is σ = 166433540. Its totient is φ = 76815468.

The previous prime is 115223203. The next prime is 115223221. The reversal of 115223211 is 112322511.

It is not a de Polignac number, because 115223211 - 2³ = 115223203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115223221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6401281 + ... + 6401298.

Almost surely, 2^115223211 is an apocalyptic number.

115223211 is a deficient number, since it is larger than the sum of its proper divisors (51210329).

115223211 is a wasteful number, since it uses less digits than its factorization.

115223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12802585 (or 12802582 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 115223211 is about 10734.2075161607. The cubic root of 115223211 is about 486.6088366158.

Adding to 115223211 its reverse (112322511), we get a palindrome (227545722).

The spelling of 115223211 in words is "one hundred fifteen million, two hundred twenty-three thousand, two hundred eleven".