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22252315 = 553131641
BaseRepresentation
bin101010011100…
…0101100011011
31112212112102211
41110320230123
521144033230
62112535551
7360066361
oct124705433
945775384
1022252315
1111619548
1275515b7
1347c1667
142d53631
151e4842a
hex1538b1b

22252315 has 16 divisors (see below), whose sum is σ = 27457056. Its totient is φ = 17305600.

The previous prime is 22252297. The next prime is 22252319. The reversal of 22252315 is 51325222.

It is not a de Polignac number, because 22252315 - 27 = 22252187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22252319) 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, 34395 + ... + 35035.

It is an arithmetic number, because the mean of its divisors is an integer number (1716066).

Almost surely, 222252315 is an apocalyptic number.

22252315 is a deficient number, since it is larger than the sum of its proper divisors (5204741).

22252315 is a wasteful number, since it uses less digits than its factorization.

22252315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its digits is 1200, while the sum is 22.

The square root of 22252315 is about 4717.2359491550. The cubic root of 22252315 is about 281.2710706848.

Adding to 22252315 its reverse (51325222), we get a palindrome (73577537).

The spelling of 22252315 in words is "twenty-two million, two hundred fifty-two thousand, three hundred fifteen".

Divisors: 1 5 53 131 265 641 655 3205 6943 33973 34715 83971 169865 419855 4450463 22252315