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22443223105 = 529154780849
BaseRepresentation
bin10100111001101110…
…000110100001000001
32010221002212212021101
4110321232012201001
5331430431114410
614151004054401
71423110151222
oct247156064101
963832785241
1022443223105
119577683776
124424234401
132168918194
14112c997249
158b54cdd3a
hex539b86841

22443223105 has 8 divisors (see below), whose sum is σ = 27860553000. Its totient is φ = 17335454976.

The previous prime is 22443223097. The next prime is 22443223123. The reversal of 22443223105 is 50132234422.

It can be written as a sum of positive squares in 4 ways, for example, as 77422401 + 22365800704 = 8799^2 + 149552^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22443223105 - 23 = 22443223097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77390280 + ... + 77390569.

It is an arithmetic number, because the mean of its divisors is an integer number (3482569125).

Almost surely, 222443223105 is an apocalyptic number.

It is an amenable number.

22443223105 is a deficient number, since it is larger than the sum of its proper divisors (5417329895).

22443223105 is a wasteful number, since it uses less digits than its factorization.

22443223105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154780883.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22443223105 its reverse (50132234422), we get a palindrome (72575457527).

The spelling of 22443223105 in words is "twenty-two billion, four hundred forty-three million, two hundred twenty-three thousand, one hundred five".

Divisors: 1 5 29 145 154780849 773904245 4488644621 22443223105