99223214377225 has 27 divisors (see below), whose sum is σ = 125405371762783. Its totient is φ = 77878790699840.

The previous prime is 99223214377151. The next prime is 99223214377283. The reversal of 99223214377225 is 52277341232299.

The square root of 99223214377225 is 9961085.

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

It can be written as a sum of positive squares in 13 ways, for example, as 24558338075769 + 74664876301456 = 4955637^2 + 8640884^2 .

It is not a de Polignac number, because 99223214377225 - 2¹³ = 99223214369033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99223214377225.

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, 2639668731 + ... + 2639706319.

Almost surely, 2^{99223214377225} is an apocalyptic number.

99223214377225 is the 9961085-th square number.

99223214377225 is the 4980543-rd centered octagonal number.

It is an amenable number.

99223214377225 is a deficient number, since it is larger than the sum of its proper divisors (26182157385558).

99223214377225 is an frugal number, since it uses more digits than its factorization.

99223214377225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75294 (or 37647 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 58.

The spelling of 99223214377225 in words is "ninety-nine trillion, two hundred twenty-three billion, two hundred fourteen million, three hundred seventy-seven thousand, two hundred twenty-five".