Search a number
-
+
22441297 is a prime number
BaseRepresentation
bin101010110011…
…0110101010001
31120020010200011
41111212311101
521221110142
62120554521
7361514344
oct125466521
946203604
1022441297
111173852a
127622a41
134859698
142da245b
151e84417
hex1566d51

22441297 has 2 divisors, whose sum is σ = 22441298. Its totient is φ = 22441296.

The previous prime is 22441271. The next prime is 22441333. The reversal of 22441297 is 79214422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21150801 + 1290496 = 4599^2 + 1136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22441297 is a prime.

It is a super-2 number, since 2×224412972 = 1007223622084418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22441267) 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, 11220648 + 11220649.

It is an arithmetic number, because the mean of its divisors is an integer number (11220649).

Almost surely, 222441297 is an apocalyptic number.

It is an amenable number.

22441297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22441297 is an equidigital number, since it uses as much as digits as its factorization.

22441297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 22441297 is about 4737.2246094100. The cubic root of 22441297 is about 282.0650764422.

The spelling of 22441297 in words is "twenty-two million, four hundred forty-one thousand, two hundred ninety-seven".