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22425489 = 324357947
BaseRepresentation
bin101010110001…
…0111110010001
31120012022222200
41111202332101
521220103424
62120353413
7361420302
oct125427621
946168880
1022425489
1111727669
127615869
134852428
142d9a7a9
151e7e8c9
hex1562f91

22425489 has 12 divisors (see below), whose sum is σ = 33146256. Its totient is φ = 14602392.

The previous prime is 22425457. The next prime is 22425517. The reversal of 22425489 is 98452422.

It is not a de Polignac number, because 22425489 - 25 = 22425457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22425289) 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 11 ways as a sum of consecutive naturals, for example, 28587 + ... + 29360.

It is an arithmetic number, because the mean of its divisors is an integer number (2762188).

Almost surely, 222425489 is an apocalyptic number.

It is an amenable number.

22425489 is a deficient number, since it is larger than the sum of its proper divisors (10720767).

22425489 is a wasteful number, since it uses less digits than its factorization.

22425489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57996 (or 57993 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22425489 is about 4735.5558279889. Note that the first 3 decimals coincide. The cubic root of 22425489 is about 281.9988305369.

The spelling of 22425489 in words is "twenty-two million, four hundred twenty-five thousand, four hundred eighty-nine".

Divisors: 1 3 9 43 129 387 57947 173841 521523 2491721 7475163 22425489