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222105319 = 239656753
BaseRepresentation
bin11010011110100…
…00111011100111
3120110221010012221
431033100323213
5423324332234
634012253211
75334602242
oct1517207347
9513833187
10222105319
11104411017
1262471207
1337026a87
14216d8259
1514773eb4
hexd3d0ee7

222105319 has 4 divisors (see below), whose sum is σ = 231762096. Its totient is φ = 212448544.

The previous prime is 222105313. The next prime is 222105337. The reversal of 222105319 is 913501222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222105319 - 29 = 222104807 is a prime.

It is a super-2 number, since 2×2221053192 = 98661545456183522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222105293 and 222105302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222105313) 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 3 ways as a sum of consecutive naturals, for example, 4828354 + ... + 4828399.

It is an arithmetic number, because the mean of its divisors is an integer number (57940524).

Almost surely, 2222105319 is an apocalyptic number.

222105319 is a deficient number, since it is larger than the sum of its proper divisors (9656777).

222105319 is an equidigital number, since it uses as much as digits as its factorization.

222105319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656776.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 222105319 is about 14903.1982809060. The cubic root of 222105319 is about 605.6006320206.

The spelling of 222105319 in words is "two hundred twenty-two million, one hundred five thousand, three hundred nineteen".

Divisors: 1 23 9656753 222105319