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227225 = 5261149
BaseRepresentation
bin110111011110011001
3102112200202
4313132121
524232400
64511545
71634315
oct673631
9375622
10227225
11145799
12ab5b5
137c56b
145cb45
15474d5
hex37799

227225 has 12 divisors (see below), whose sum is σ = 288300. Its totient is φ = 177600.

The previous prime is 227219. The next prime is 227231. The reversal of 227225 is 522722.

227225 = T54 + T55 + ... + T114.

It is an interprime number because it is at equal distance from previous prime (227219) and next prime (227231).

It can be written as a sum of positive squares in 6 ways, for example, as 85849 + 141376 = 293^2 + 376^2 .

It is not a de Polignac number, because 227225 - 210 = 226201 is a prime.

It is a Curzon number.

It is a plaindrome in base 11 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 227197 and 227206.

It is a congruent number.

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, 1451 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (24025).

2227225 is an apocalyptic number.

227225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227225 is a deficient number, since it is larger than the sum of its proper divisors (61075).

227225 is a wasteful number, since it uses less digits than its factorization.

227225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 215 counting only the distinct ones).

The product of its digits is 560, while the sum is 20.

The square root of 227225 is about 476.6812352086. The cubic root of 227225 is about 61.0218500959.

Adding to 227225 its reverse (522722), we get a palindrome (749947).

The spelling of 227225 in words is "two hundred twenty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 61 149 305 745 1525 3725 9089 45445 227225