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304222229 is a prime number
BaseRepresentation
bin10010001000100…
…001000000010101
3210012110002102222
4102020201000111
51110340102404
650104312125
710352563163
oct2210410025
9705402388
10304222229
111467a8733
1285a72645
134b04886c
142c592233
151ba94dbe
hex12221015

304222229 has 2 divisors, whose sum is σ = 304222230. Its totient is φ = 304222228.

The previous prime is 304222223. The next prime is 304222241. The reversal of 304222229 is 922222403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283080625 + 21141604 = 16825^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 304222229 - 24 = 304222213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 304222198 and 304222207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152111114 + 152111115.

It is an arithmetic number, because the mean of its divisors is an integer number (152111115).

Almost surely, 2304222229 is an apocalyptic number.

It is an amenable number.

304222229 is a deficient number, since it is larger than the sum of its proper divisors (1).

304222229 is an equidigital number, since it uses as much as digits as its factorization.

304222229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 304222229 is about 17441.9674635633. The cubic root of 304222229 is about 672.5588854063.

The spelling of 304222229 in words is "three hundred four million, two hundred twenty-two thousand, two hundred twenty-nine".