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11225223 = 34139997
BaseRepresentation
bin101010110100…
…100010000111
3210010022010000
4222310202013
510333201343
61040332343
7164261412
oct52644207
923108100
1011225223
116377749
1239140b3
132430459
1416c2b79
15ebaed3
hexab4887

11225223 has 20 divisors (see below), whose sum is σ = 16906120. Its totient is φ = 7422192.

The previous prime is 11225191. The next prime is 11225237. The reversal of 11225223 is 32252211.

It is not a de Polignac number, because 11225223 - 25 = 11225191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11225196 and 11225205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225243) 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 19 ways as a sum of consecutive naturals, for example, 10761 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (845306).

Almost surely, 211225223 is an apocalyptic number.

11225223 is a deficient number, since it is larger than the sum of its proper divisors (5680897).

11225223 is an equidigital number, since it uses as much as digits as its factorization.

11225223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1139 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 11225223 is about 3350.4063932604. The cubic root of 11225223 is about 223.9056189866.

Adding to 11225223 its reverse (32252211), we get a palindrome (43477434).

The spelling of 11225223 in words is "eleven million, two hundred twenty-five thousand, two hundred twenty-three".

Divisors: 1 3 9 27 81 139 417 997 1251 2991 3753 8973 11259 26919 80757 138583 415749 1247247 3741741 11225223