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22831241 is a prime number
BaseRepresentation
bin101011100011…
…0000010001001
31120221221120112
41113012002021
521321044431
62133204105
7365030246
oct127060211
946857515
1022831241
11119844a4
127790635
134965014
1430645cd
15200ec2b
hex15c6089

22831241 has 2 divisors, whose sum is σ = 22831242. Its totient is φ = 22831240.

The previous prime is 22831229. The next prime is 22831243. The reversal of 22831241 is 14213822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 7590025 = 3904^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 22831241 - 26 = 22831177 is a prime.

It is a Sophie Germain prime.

Together with 22831243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22831243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11415620 + 11415621.

It is an arithmetic number, because the mean of its divisors is an integer number (11415621).

Almost surely, 222831241 is an apocalyptic number.

It is an amenable number.

22831241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22831241 is an equidigital number, since it uses as much as digits as its factorization.

22831241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 22831241 is about 4778.2047884116. The cubic root of 22831241 is about 283.6894418172.

The spelling of 22831241 in words is "twenty-two million, eight hundred thirty-one thousand, two hundred forty-one".