197224526632225 has 9 divisors (see below), whose sum is σ = 244558500094713. Its totient is φ = 157779565131120.

The previous prime is 197224526632151. The next prime is 197224526632249. The reversal of 197224526632225 is 522236625422791.

It is a happy number.

The square root of 197224526632225 is 14043665.

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 4946812084449 + 192277714547776 = 2224143^2 + 13866424^2 .

It is not a de Polignac number, because 197224526632225 - 2³⁵ = 197190166893857 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 197224526632225.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68813959 + ... + 71622691.

Almost surely, 2^{197224526632225} is an apocalyptic number.

197224526632225 is the 14043665-th square number.

197224526632225 is the 7021833-rd centered octagonal number.

It is an amenable number.

197224526632225 is a deficient number, since it is larger than the sum of its proper divisors (47333973462488).

197224526632225 is an frugal number, since it uses more digits than its factorization.

197224526632225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617476 (or 2808738 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 58.

The spelling of 197224526632225 in words is "one hundred ninety-seven trillion, two hundred twenty-four billion, five hundred twenty-six million, six hundred thirty-two thousand, two hundred twenty-five".