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22231241 is a prime number
BaseRepresentation
bin101010011001…
…1100011001001
31112211110112022
41110303203021
521142344431
62112254225
7356651054
oct124634311
945743468
1022231241
111160472a
127541375
1347b4ba6
142d49a9b
151e4207b
hex15338c9

22231241 has 2 divisors, whose sum is σ = 22231242. Its totient is φ = 22231240.

The previous prime is 22231219. The next prime is 22231331. The reversal of 22231241 is 14213222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22231225 + 16 = 4715^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 22231241 - 26 = 22231177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22231441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115620 + 11115621.

It is an arithmetic number, because the mean of its divisors is an integer number (11115621).

Almost surely, 222231241 is an apocalyptic number.

It is an amenable number.

22231241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231241 is an equidigital number, since it uses as much as digits as its factorization.

22231241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 17.

The square root of 22231241 is about 4715.0016967123. The cubic root of 22231241 is about 281.1822502820.

Adding to 22231241 its reverse (14213222), we get a palindrome (36444463).

The spelling of 22231241 in words is "twenty-two million, two hundred thirty-one thousand, two hundred forty-one".