99486622225 has 27 divisors (see below), whose sum is σ = 124378801617. Its totient is φ = 78939542880.

The previous prime is 99486622159. The next prime is 99486622231. The reversal of 99486622225 is 52222668499.

The square root of 99486622225 is 315415.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 40157354449 + 59329267776 = 200393^2 + 243576^2 .

It is not a de Polignac number, because 99486622225 - 2⁹ = 99486621713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 313837767 + ... + 313838083.

Almost surely, 2^99486622225 is an apocalyptic number.

99486622225 is the 315415-th square number.

99486622225 is the 157708-th centered octagonal number.

It is an amenable number.

99486622225 is a deficient number, since it is larger than the sum of its proper divisors (24892179392).

99486622225 is an frugal number, since it uses more digits than its factorization.

99486622225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 521 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The spelling of 99486622225 in words is "ninety-nine billion, four hundred eighty-six million, six hundred twenty-two thousand, two hundred twenty-five".