108889225 has 9 divisors (see below), whose sum is σ = 135087367. Its totient is φ = 87069640.

The previous prime is 108889223. The next prime is 108889237. The reversal of 108889225 is 522988801.

The square root of 108889225 is 10435.

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

It can be written as a sum of positive squares in only one way, i.e., 39200121 + 69689104 = 6261^2 + 8348^2 .

It is not a de Polignac number, because 108889225 - 2¹ = 108889223 is a prime.

It is a super-2 number, since 2×108889225² = 23713726642201250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108889223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51132 + ... + 53218.

Almost surely, 2^108889225 is an apocalyptic number.

108889225 is the 10435-th square number.

108889225 is the 5218-th centered octagonal number.

It is an amenable number.

108889225 is a deficient number, since it is larger than the sum of its proper divisors (26198142).

108889225 is an frugal number, since it uses more digits than its factorization.

108889225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The cubic root of 108889225 is about 477.5237417725.

The spelling of 108889225 in words is "one hundred eight million, eight hundred eighty-nine thousand, two hundred twenty-five".