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22530017 is a prime number
BaseRepresentation
bin101010111110…
…0011111100001
31120101122101002
41111330133201
521231430032
62122521345
7362334116
oct125743741
946348332
1022530017
1111799154
127666255
13488ab93
142dc690d
151ea0862
hex157c7e1

22530017 has 2 divisors, whose sum is σ = 22530018. Its totient is φ = 22530016.

The previous prime is 22530007. The next prime is 22530037. The reversal of 22530017 is 71003522.

It is an a-pointer prime, because the next prime (22530037) can be obtained adding 22530017 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15555136 + 6974881 = 3944^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530017 - 28 = 22529761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22530007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265008 + 11265009.

It is an arithmetic number, because the mean of its divisors is an integer number (11265009).

Almost surely, 222530017 is an apocalyptic number.

It is an amenable number.

22530017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22530017 is an equidigital number, since it uses as much as digits as its factorization.

22530017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 22530017 is about 4746.5795052859. The cubic root of 22530017 is about 282.4362954484.

Adding to 22530017 its reverse (71003522), we get a palindrome (93533539).

The spelling of 22530017 in words is "twenty-two million, five hundred thirty thousand, seventeen".