Search a number
-
+
332223161 is a prime number
BaseRepresentation
bin10011110011010…
…101001010111001
3212011010200111112
4103303111022321
51140022120121
652544410105
711142564434
oct2363251271
9764120445
10332223161
111605931a6
1293316935
1353aa096a
14321a081b
151e27675b
hex13cd52b9

332223161 has 2 divisors, whose sum is σ = 332223162. Its totient is φ = 332223160.

The previous prime is 332223149. The next prime is 332223167. The reversal of 332223161 is 161322233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302586025 + 29637136 = 17395^2 + 5444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-332223161 is a prime.

It is a super-2 number, since 2×3322231612 = 220744457409663842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (332223167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166111580 + 166111581.

It is an arithmetic number, because the mean of its divisors is an integer number (166111581).

Almost surely, 2332223161 is an apocalyptic number.

It is an amenable number.

332223161 is a deficient number, since it is larger than the sum of its proper divisors (1).

332223161 is an equidigital number, since it uses as much as digits as its factorization.

332223161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 332223161 is about 18226.9899050831. The cubic root of 332223161 is about 692.5906677064.

Adding to 332223161 its reverse (161322233), we get a palindrome (493545394).

The spelling of 332223161 in words is "three hundred thirty-two million, two hundred twenty-three thousand, one hundred sixty-one".