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22253230 = 252225323
BaseRepresentation
bin101010011100…
…0111010101110
31112212120200201
41110320322232
521144100410
62112544114
7360102136
oct124707256
945776621
1022253230
111161a1aa
12755203a
1347c1bbc
142d53ac6
151e4883a
hex1538eae

22253230 has 8 divisors (see below), whose sum is σ = 40055832. Its totient is φ = 8901288.

The previous prime is 22253197. The next prime is 22253239. The reversal of 22253230 is 3235222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22253198 and 22253207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112652 + ... + 1112671.

It is an arithmetic number, because the mean of its divisors is an integer number (5006979).

Almost surely, 222253230 is an apocalyptic number.

22253230 is a deficient number, since it is larger than the sum of its proper divisors (17802602).

22253230 is a wasteful number, since it uses less digits than its factorization.

22253230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225330.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22253230 is about 4717.3329329188. The cubic root of 22253230 is about 281.2749258567.

Adding to 22253230 its reverse (3235222), we get a palindrome (25488452).

The spelling of 22253230 in words is "twenty-two million, two hundred fifty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 2225323 4450646 11126615 22253230