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222000889 = 1131651029
BaseRepresentation
bin11010011101101…
…11011011111001
3120110201210222011
431032313123321
5423313012024
634010125521
75333655625
oct1516673371
9513653864
10222000889
1110434a610
12624208a1
1336cbb396
14216ac185
1514753094
hexd3b76f9

222000889 has 8 divisors (see below), whose sum is σ = 249995520. Its totient is φ = 195308400.

The previous prime is 222000871. The next prime is 222000901. The reversal of 222000889 is 988000222.

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 222000889 - 213 = 221992697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222000889.

It is not an unprimeable number, because it can be changed into a prime (222001889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325174 + ... + 325855.

It is an arithmetic number, because the mean of its divisors is an integer number (31249440).

Almost surely, 2222000889 is an apocalyptic number.

It is an amenable number.

222000889 is a deficient number, since it is larger than the sum of its proper divisors (27994631).

222000889 is a wasteful number, since it uses less digits than its factorization.

222000889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651071.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 222000889 is about 14899.6942586081. The cubic root of 222000889 is about 605.5057028991.

The spelling of 222000889 in words is "two hundred twenty-two million, eight hundred eighty-nine", and thus it is an aban number.

Divisors: 1 11 31 341 651029 7161319 20181899 222000889