8909089225 has 12 divisors (see below), whose sum is σ = 11403635200. Its totient is φ = 6897358800.

The previous prime is 8909089193. The next prime is 8909089237. The reversal of 8909089225 is 5229809098.

It is a happy number.

It is not a de Polignac number, because 8909089225 - 2⁵ = 8909089193 is a prime.

It is a super-2 number, since 2×8909089225² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5747025 + ... + 5748574.

Almost surely, 2^8909089225 is an apocalyptic number.

It is an amenable number.

8909089225 is a deficient number, since it is larger than the sum of its proper divisors (2494545975).

8909089225 is a wasteful number, since it uses less digits than its factorization.

8909089225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495640 (or 11495635 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 8909089225 is about 94387.9718237446. The cubic root of 8909089225 is about 2073.0563286534.

The spelling of 8909089225 in words is "eight billion, nine hundred nine million, eighty-nine thousand, two hundred twenty-five".