115463221 has 2 divisors, whose sum is σ = 115463222. Its totient is φ = 115463220.

The previous prime is 115463191. The next prime is 115463261. The reversal of 115463221 is 122364511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84382596 + 31080625 = 9186^2 + 5575^2 .

It is a cyclic number.

It is not a de Polignac number, because 115463221 - 2⁹ = 115462709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115463261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57731610 + 57731611.

It is an arithmetic number, because the mean of its divisors is an integer number (57731611).

Almost surely, 2^115463221 is an apocalyptic number.

It is an amenable number.

115463221 is a deficient number, since it is larger than the sum of its proper divisors (1).

115463221 is an equidigital number, since it uses as much as digits as its factorization.

115463221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 115463221 is about 10745.3813799232. The cubic root of 115463221 is about 486.9464711013.

The spelling of 115463221 in words is "one hundred fifteen million, four hundred sixty-three thousand, two hundred twenty-one".