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8897225 = 521918731
BaseRepresentation
bin100001111100…
…001011001001
3121202000200212
4201330023021
54234202400
6514410505
7135424301
oct41741311
917660625
108897225
115027687
122b90a35
131ac693c
141278601
15bab335
hex87c2c9

8897225 has 12 divisors (see below), whose sum is σ = 11613840. Its totient is φ = 6742800.

The previous prime is 8897221. The next prime is 8897227. The reversal of 8897225 is 5227988.

It is a happy number.

It is not a de Polignac number, because 8897225 - 22 = 8897221 is a prime.

It is a super-2 number, since 2×88972252 = 158321225401250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8897221) 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 11 ways as a sum of consecutive naturals, for example, 8891 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (967820).

Almost surely, 28897225 is an apocalyptic number.

It is an amenable number.

8897225 is a deficient number, since it is larger than the sum of its proper divisors (2716615).

8897225 is a wasteful number, since it uses less digits than its factorization.

8897225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18760 (or 18755 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 8897225 is about 2982.8216507193. The cubic root of 8897225 is about 207.2135690865.

The spelling of 8897225 in words is "eight million, eight hundred ninety-seven thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 475 18731 93655 355889 468275 1779445 8897225