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22430069 is a prime number
BaseRepresentation
bin101010110010…
…0000101110101
31120012120021022
41111210011311
521220230234
62120430525
7361436534
oct125440565
946176238
1022430069
1111730052
127618445
13485453c
142d9c31b
151e80e2e
hex1564175

22430069 has 2 divisors, whose sum is σ = 22430070. Its totient is φ = 22430068.

The previous prime is 22430041. The next prime is 22430099. The reversal of 22430069 is 96003422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16851025 + 5579044 = 4105^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 22430069 - 212 = 22425973 is a prime.

It is a super-2 number, since 2×224300692 = 1006215990689522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22430099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215034 + 11215035.

It is an arithmetic number, because the mean of its divisors is an integer number (11215035).

Almost surely, 222430069 is an apocalyptic number.

It is an amenable number.

22430069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22430069 is an equidigital number, since it uses as much as digits as its factorization.

22430069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22430069 is about 4736.0393790593. The cubic root of 22430069 is about 282.0180269481.

The spelling of 22430069 in words is "twenty-two million, four hundred thirty thousand, sixty-nine".