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22475249 is a prime number
BaseRepresentation
bin101010110111…
…1000111110001
31120021212020122
41111233013301
521223201444
62121420025
7362015336
oct125570761
946255218
1022475249
1111760a95
12763a615
13486bc84
142db098d
151e8e4ee
hex156f1f1

22475249 has 2 divisors, whose sum is σ = 22475250. Its totient is φ = 22475248.

The previous prime is 22475239. The next prime is 22475269. The reversal of 22475249 is 94257422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19963024 + 2512225 = 4468^2 + 1585^2 .

It is a cyclic number.

It is not a de Polignac number, because 22475249 - 28 = 22474993 is a prime.

It is a super-2 number, since 2×224752492 = 1010273635224002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22475239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11237624 + 11237625.

It is an arithmetic number, because the mean of its divisors is an integer number (11237625).

Almost surely, 222475249 is an apocalyptic number.

It is an amenable number.

22475249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22475249 is an equidigital number, since it uses as much as digits as its factorization.

22475249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 22475249 is about 4740.8067878790. The cubic root of 22475249 is about 282.2072525373.

The spelling of 22475249 in words is "twenty-two million, four hundred seventy-five thousand, two hundred forty-nine".