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224234389 is a prime number
BaseRepresentation
bin11010101110110…
…00101110010101
3120121221021202101
431113120232111
5424401000024
634130042101
75361650401
oct1527305625
9517837671
10224234389
11105635685
1263119331
13375c0b92
1421ad0101
1514a44c44
hexd5d8b95

224234389 has 2 divisors, whose sum is σ = 224234390. Its totient is φ = 224234388.

The previous prime is 224234363. The next prime is 224234411. The reversal of 224234389 is 983432422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217562500 + 6671889 = 14750^2 + 2583^2 .

It is a cyclic number.

It is not a de Polignac number, because 224234389 - 25 = 224234357 is a prime.

It is a super-2 number, since 2×2242343892 = 100562122420406642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224234359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112117194 + 112117195.

It is an arithmetic number, because the mean of its divisors is an integer number (112117195).

Almost surely, 2224234389 is an apocalyptic number.

It is an amenable number.

224234389 is a deficient number, since it is larger than the sum of its proper divisors (1).

224234389 is an equidigital number, since it uses as much as digits as its factorization.

224234389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

The square root of 224234389 is about 14974.4578866816. The cubic root of 224234389 is about 607.5295488232.

The spelling of 224234389 in words is "two hundred twenty-four million, two hundred thirty-four thousand, three hundred eighty-nine".