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222468938 = 2375415557
BaseRepresentation
bin11010100001010…
…01101101001010
3120111121121000022
431100221231022
5423423001223
634024140442
75340645326
oct1520515512
9514547008
10222468938
1110463a22a
1262607722
1337123433
1421790986
15147e6ac8
hexd429b4a

222468938 has 16 divisors (see below), whose sum is σ = 343417704. Its totient is φ = 108008640.

The previous prime is 222468937. The next prime is 222468941. The reversal of 222468938 is 839864222.

It can be written as a sum of positive squares in 4 ways, for example, as 221801449 + 667489 = 14893^2 + 817^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222468937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37256 + ... + 42812.

Almost surely, 2222468938 is an apocalyptic number.

222468938 is a deficient number, since it is larger than the sum of its proper divisors (120948766).

222468938 is a wasteful number, since it uses less digits than its factorization.

222468938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137.

The product of its digits is 331776, while the sum is 44.

The square root of 222468938 is about 14915.3926532291. The cubic root of 222468938 is about 605.9309375344.

The spelling of 222468938 in words is "two hundred twenty-two million, four hundred sixty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 37 74 541 1082 5557 11114 20017 40034 205609 411218 3006337 6012674 111234469 222468938