116212225 has 6 divisors (see below), whose sum is σ = 144103190. Its totient is φ = 92969760.

The previous prime is 116212207. The next prime is 116212279. The reversal of 116212225 is 522212611.

It can be written as a sum of positive squares in 3 ways, for example, as 1272384 + 114939841 = 1128^2 + 10721^2 .

It is not a de Polignac number, because 116212225 - 2⁹ = 116211713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116212196 and 116212205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2324220 + ... + 2324269.

Almost surely, 2^116212225 is an apocalyptic number.

It is an amenable number.

116212225 is a deficient number, since it is larger than the sum of its proper divisors (27890965).

116212225 is an equidigital number, since it uses as much as digits as its factorization.

116212225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648499 (or 4648494 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 116212225 is about 10780.1774104140. The cubic root of 116212225 is about 487.9971347700.

Adding to 116212225 its reverse (522212611), we get a palindrome (638424836).

The spelling of 116212225 in words is "one hundred sixteen million, two hundred twelve thousand, two hundred twenty-five".