Search a number
-
+
2247166169 is a prime number
BaseRepresentation
bin1000010111110001…
…0000100011011001
312210121102212110122
42011330100203121
514100233304134
61010552323025
7106454411603
oct20574204331
95717385418
102247166169
11a53515226
125286a3475
1329a736c31
14174638173
15d243702e
hex85f108d9

2247166169 has 2 divisors, whose sum is σ = 2247166170. Its totient is φ = 2247166168.

The previous prime is 2247166151. The next prime is 2247166183. The reversal of 2247166169 is 9616617422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2245527769 + 1638400 = 47387^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247166169 - 220 = 2246117593 is a prime.

It is a super-2 number, since 2×22471661692 = 10099511582196273122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2247166469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123583084 + 1123583085.

It is an arithmetic number, because the mean of its divisors is an integer number (1123583085).

Almost surely, 22247166169 is an apocalyptic number.

It is an amenable number.

2247166169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247166169 is an equidigital number, since it uses as much as digits as its factorization.

2247166169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 2247166169 is about 47404.2842895028. The cubic root of 2247166169 is about 1309.8203372279.

The spelling of 2247166169 in words is "two billion, two hundred forty-seven million, one hundred sixty-six thousand, one hundred sixty-nine".