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8889225 = 352296167
BaseRepresentation
bin100001111010…
…001110001001
3121201121201120
4201322032021
54233423400
6514305453
7135362052
oct41721611
917647646
108889225
115021674
122b88289
131ac30c7
141275729
15ba8ca0
hex87a389

8889225 has 48 divisors (see below), whose sum is σ = 15683520. Its totient is φ = 4435200.

The previous prime is 8889203. The next prime is 8889229. The reversal of 8889225 is 5229888.

It is not a de Polignac number, because 8889225 - 25 = 8889193 is a prime.

It is a super-2 number, since 2×88892252 = 158036642201250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8889229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132642 + ... + 132708.

It is an arithmetic number, because the mean of its divisors is an integer number (326740).

Almost surely, 28889225 is an apocalyptic number.

It is an amenable number.

8889225 is a deficient number, since it is larger than the sum of its proper divisors (6794295).

8889225 is a wasteful number, since it uses less digits than its factorization.

8889225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 165 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 8889225 is about 2981.4803370138. The cubic root of 8889225 is about 207.1514446358.

The spelling of 8889225 in words is "eight million, eight hundred eighty-nine thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 29 61 67 75 87 145 183 201 305 335 435 725 915 1005 1525 1675 1769 1943 2175 4087 4575 5025 5307 5829 8845 9715 12261 20435 26535 29145 44225 48575 61305 102175 118523 132675 145725 306525 355569 592615 1777845 2963075 8889225