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22385125 = 53725583
BaseRepresentation
bin101010101100…
…1000111100101
31120010021121201
41111121013211
521212311000
62115442501
7361161520
oct125310745
946107551
1022385125
11116aa304
1275b6431
134839c49
142d89bb7
151e7296a
hex15591e5

22385125 has 16 divisors (see below), whose sum is σ = 31928832. Its totient is φ = 15349200.

The previous prime is 22385123. The next prime is 22385137. The reversal of 22385125 is 52158322.

It is not a de Polignac number, because 22385125 - 21 = 22385123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22385093 and 22385102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22385123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11917 + ... + 13666.

It is an arithmetic number, because the mean of its divisors is an integer number (1995552).

Almost surely, 222385125 is an apocalyptic number.

22385125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22385125 is a deficient number, since it is larger than the sum of its proper divisors (9543707).

22385125 is an equidigital number, since it uses as much as digits as its factorization.

22385125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25605 (or 25595 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 22385125 is about 4731.2921068140. The cubic root of 22385125 is about 281.8295375079.

The spelling of 22385125 in words is "twenty-two million, three hundred eighty-five thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 25583 127915 179081 639575 895405 3197875 4477025 22385125