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22453841 is a prime number
BaseRepresentation
bin101010110100…
…1111001010001
31120020202212202
41111221321101
521222010331
62121132545
7361566044
oct125517121
946222782
1022453841
11117469a3
12762a155
1348622c7
142da6c5b
151e87ecb
hex1569e51

22453841 has 2 divisors, whose sum is σ = 22453842. Its totient is φ = 22453840.

The previous prime is 22453817. The next prime is 22453861. The reversal of 22453841 is 14835422.

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., 19228225 + 3225616 = 4385^2 + 1796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22453841 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22453861) 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 as a sum of consecutive naturals, namely, 11226920 + 11226921.

It is an arithmetic number, because the mean of its divisors is an integer number (11226921).

Almost surely, 222453841 is an apocalyptic number.

It is an amenable number.

22453841 is a deficient number, since it is larger than the sum of its proper divisors (1).

22453841 is an equidigital number, since it uses as much as digits as its factorization.

22453841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 29.

The square root of 22453841 is about 4738.5484064215. The cubic root of 22453841 is about 282.1176219088.

The spelling of 22453841 in words is "twenty-two million, four hundred fifty-three thousand, eight hundred forty-one".