Search a number
-
+
2274725437 is a prime number
BaseRepresentation
bin1000011110010101…
…1000111000111101
312212112022000200021
42013211120320331
514124312203222
61013415132141
7110240563405
oct20745307075
95775260607
102274725437
11a68028986
12535974051
132a3365caa
1417816d805
15d4a7cac7
hex87958e3d

2274725437 has 2 divisors, whose sum is σ = 2274725438. Its totient is φ = 2274725436.

The previous prime is 2274725423. The next prime is 2274725449. The reversal of 2274725437 is 7345274722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1945339236 + 329386201 = 44106^2 + 18149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2274725437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2274725393 and 2274725402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2274725237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137362718 + 1137362719.

It is an arithmetic number, because the mean of its divisors is an integer number (1137362719).

Almost surely, 22274725437 is an apocalyptic number.

It is an amenable number.

2274725437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2274725437 is an equidigital number, since it uses as much as digits as its factorization.

2274725437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 43.

The square root of 2274725437 is about 47694.0817817054. The cubic root of 2274725437 is about 1315.1531455753.

It can be divided in two parts, 22747 and 25437, that added together give a palindrome (48184).

The spelling of 2274725437 in words is "two billion, two hundred seventy-four million, seven hundred twenty-five thousand, four hundred thirty-seven".