Search a number
-
+
22914197 is a prime number
BaseRepresentation
bin101011101101…
…0010010010101
31121010011100222
41113122102111
521331223242
62135044125
7365524145
oct127322225
947104328
1022914197
1111a30859
127810645
1349939c7
143086925
1520295d2
hex15da495

22914197 has 2 divisors, whose sum is σ = 22914198. Its totient is φ = 22914196.

The previous prime is 22914191. The next prime is 22914217. The reversal of 22914197 is 79141922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22335076 + 579121 = 4726^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 22914197 - 28 = 22913941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22914191) 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, 11457098 + 11457099.

It is an arithmetic number, because the mean of its divisors is an integer number (11457099).

Almost surely, 222914197 is an apocalyptic number.

It is an amenable number.

22914197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22914197 is an equidigital number, since it uses as much as digits as its factorization.

22914197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 22914197 is about 4786.8775835611. The cubic root of 22914197 is about 284.0326162699.

The spelling of 22914197 in words is "twenty-two million, nine hundred fourteen thousand, one hundred ninety-seven".