Search a number
-
+
227255839 is a prime number
BaseRepresentation
bin11011000101110…
…10011000011111
3120211121210101221
431202322120133
5431134141324
634314514211
75426433316
oct1542723037
9524553357
10227255839
11107309748
1264135967
133810b215
142227927d
1514e400e4
hexd8ba61f

227255839 has 2 divisors, whose sum is σ = 227255840. Its totient is φ = 227255838.

The previous prime is 227255837. The next prime is 227255849. The reversal of 227255839 is 938552722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227255839 - 21 = 227255837 is a prime.

Together with 227255837, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 227255795 and 227255804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227255837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113627919 + 113627920.

It is an arithmetic number, because the mean of its divisors is an integer number (113627920).

Almost surely, 2227255839 is an apocalyptic number.

227255839 is a deficient number, since it is larger than the sum of its proper divisors (1).

227255839 is an equidigital number, since it uses as much as digits as its factorization.

227255839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 227255839 is about 15075.0070978424. The cubic root of 227255839 is about 610.2461060157.

The spelling of 227255839 in words is "two hundred twenty-seven million, two hundred fifty-five thousand, eight hundred thirty-nine".