Search a number
-
+
222055369 is a prime number
BaseRepresentation
bin11010011110001…
…00101111001001
3120110211120200221
431033010233021
5423321232434
634011230041
75334303514
oct1517045711
9513746627
10222055369
11104387538
1262448321
133700a113
14216c3d7b
15147642b4
hexd3c4bc9

222055369 has 2 divisors, whose sum is σ = 222055370. Its totient is φ = 222055368.

The previous prime is 222055367. The next prime is 222055399. The reversal of 222055369 is 963550222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222010000 + 45369 = 14900^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 222055369 - 21 = 222055367 is a prime.

It is a super-2 number, since 2×2220553692 = 98617173803452322, which contains 22 as substring.

Together with 222055367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222055367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111027684 + 111027685.

It is an arithmetic number, because the mean of its divisors is an integer number (111027685).

Almost surely, 2222055369 is an apocalyptic number.

It is an amenable number.

222055369 is a deficient number, since it is larger than the sum of its proper divisors (1).

222055369 is an equidigital number, since it uses as much as digits as its factorization.

222055369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 222055369 is about 14901.5223718921. The cubic root of 222055369 is about 605.5552301070. Note that the first 3 decimals are identical.

The spelling of 222055369 in words is "two hundred twenty-two million, fifty-five thousand, three hundred sixty-nine".