Search a number
-
+
22254971 is a prime number
BaseRepresentation
bin101010011100…
…1010101111011
31112212200002012
41110321111323
521144124341
62113000135
7360110204
oct124712573
945780065
1022254971
1111620542
12755304b
1347c292b
142d545ab
151e490eb
hex153957b

22254971 has 2 divisors, whose sum is σ = 22254972. Its totient is φ = 22254970.

The previous prime is 22254959. The next prime is 22254979. The reversal of 22254971 is 17945222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22254971 - 210 = 22253947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22254979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127485 + 11127486.

It is an arithmetic number, because the mean of its divisors is an integer number (11127486).

Almost surely, 222254971 is an apocalyptic number.

22254971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254971 is an equidigital number, since it uses as much as digits as its factorization.

22254971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 22254971 is about 4717.5174615469. The cubic root of 22254971 is about 281.2822609249.

The spelling of 22254971 in words is "twenty-two million, two hundred fifty-four thousand, nine hundred seventy-one".