922108870225 has 9 divisors (see below), whose sum is σ = 1143420952753. Its totient is φ = 737683255120.

The previous prime is 922108870211. The next prime is 922108870279. The reversal of 922108870225 is 522078801229.

The square root of 922108870225 is 960265.

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 255234112849 + 666874757376 = 505207^2 + 816624^2 .

It is not a de Polignac number, because 922108870225 - 2³³ = 913518935633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4705299 + ... + 4897351.

Almost surely, 2^922108870225 is an apocalyptic number.

922108870225 is the 960265-th square number.

922108870225 is the 480133-rd centered octagonal number.

It is an amenable number.

922108870225 is a deficient number, since it is larger than the sum of its proper divisors (221312082528).

922108870225 is an frugal number, since it uses more digits than its factorization.

922108870225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384116 (or 192058 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 922108870225 in words is "nine hundred twenty-two billion, one hundred eight million, eight hundred seventy thousand, two hundred twenty-five".