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222430343 = 733046991
BaseRepresentation
bin11010100001000…
…00010010000111
3120111112122001212
431100200102013
5423420232333
634023242035
75340424652
oct1520402207
9514478055
10222430343
11104613233
12625a931b
133710b9b5
1421780899
15147da448
hexd420487

222430343 has 4 divisors (see below), whose sum is σ = 225477408. Its totient is φ = 219383280.

The previous prime is 222430337. The next prime is 222430379. The reversal of 222430343 is 343034222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343034222 = 2171517111.

It is a cyclic number.

It is not a de Polignac number, because 222430343 - 212 = 222426247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222430393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523423 + ... + 1523568.

It is an arithmetic number, because the mean of its divisors is an integer number (56369352).

Almost surely, 2222430343 is an apocalyptic number.

222430343 is a deficient number, since it is larger than the sum of its proper divisors (3047065).

222430343 is an equidigital number, since it uses as much as digits as its factorization.

222430343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047064.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 222430343 is about 14914.0987994582. The cubic root of 222430343 is about 605.8958955532.

Adding to 222430343 its reverse (343034222), we get a palindrome (565464565).

The spelling of 222430343 in words is "two hundred twenty-two million, four hundred thirty thousand, three hundred forty-three".

Divisors: 1 73 3046991 222430343