Search a number
-
+
225190237 is a prime number
BaseRepresentation
bin11010110110000…
…10000101011101
3120200201211221011
431123002011131
5430122041422
634202335221
75403041206
oct1533020535
9520654834
10225190237
11106128838
12634ba511
1337866c7c
1421c9c5ad
1514b83077
hexd6c215d

225190237 has 2 divisors, whose sum is σ = 225190238. Its totient is φ = 225190236.

The previous prime is 225190219. The next prime is 225190241. The reversal of 225190237 is 732091522.

225190237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225180036 + 10201 = 15006^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 225190237 - 227 = 90972509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225190199 and 225190208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225190247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112595118 + 112595119.

It is an arithmetic number, because the mean of its divisors is an integer number (112595119).

Almost surely, 2225190237 is an apocalyptic number.

It is an amenable number.

225190237 is a deficient number, since it is larger than the sum of its proper divisors (1).

225190237 is an equidigital number, since it uses as much as digits as its factorization.

225190237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 225190237 is about 15006.3398935250. The cubic root of 225190237 is about 608.3915675450.

The spelling of 225190237 in words is "two hundred twenty-five million, one hundred ninety thousand, two hundred thirty-seven".