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222668668448 = 25834172
BaseRepresentation
bin1100111101100000010…
…1100011111000100000
3210021202011101100122022
43033120011203320200
512122011134342243
6250143110201012
722041636311252
oct3173005437040
9707664340568
10222668668448
1186484727336
12371a3353168
1317cc7860465
14aac49a1cd2
155bd3636b68
hex33d8163e20

222668668448 has 18 divisors (see below), whose sum is σ = 438384196341. Its totient is φ = 111332999552.

The previous prime is 222668668447. The next prime is 222668668517. The reversal of 222668668448 is 844866866222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

222668668448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 166702357264 + 55966311184 = 408292^2 + 236572^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=333668.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222668668447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2627636 + ... + 2711052.

Almost surely, 2222668668448 is an apocalyptic number.

It is an amenable number.

222668668448 is a deficient number, since it is larger than the sum of its proper divisors (215715527893).

222668668448 is an frugal number, since it uses more digits than its factorization.

222668668448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166844 (or 83419 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 62.

The spelling of 222668668448 in words is "two hundred twenty-two billion, six hundred sixty-eight million, six hundred sixty-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 83417 166834 333668 667336 1334672 2669344 6958395889 13916791778 27833583556 55667167112 111334334224 222668668448