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22630163 = 26984127
BaseRepresentation
bin101011001010…
…0111100010011
31120120201202012
41112110330103
521243131123
62125013135
7363232103
oct126247423
946521665
1022630163
1111857416
1276b41ab
1348c463a
143011203
151ec0378
hex1594f13

22630163 has 4 divisors (see below), whose sum is σ = 22714560. Its totient is φ = 22545768.

The previous prime is 22630147. The next prime is 22630187. The reversal of 22630163 is 36103622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36103622 = 218051811.

It is a cyclic number.

It is not a de Polignac number, because 22630163 - 24 = 22630147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22630123) 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 3 ways as a sum of consecutive naturals, for example, 41795 + ... + 42332.

It is an arithmetic number, because the mean of its divisors is an integer number (5678640).

Almost surely, 222630163 is an apocalyptic number.

22630163 is a deficient number, since it is larger than the sum of its proper divisors (84397).

22630163 is an equidigital number, since it uses as much as digits as its factorization.

22630163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84396.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22630163 is about 4757.1170891623. The cubic root of 22630163 is about 282.8541536869.

Adding to 22630163 its reverse (36103622), we get a palindrome (58733785).

The spelling of 22630163 in words is "twenty-two million, six hundred thirty thousand, one hundred sixty-three".

Divisors: 1 269 84127 22630163