Search a number
-
+
222304229 = 72127139257
BaseRepresentation
bin11010100000000…
…01011111100101
3120111022020001222
431100001133211
5423402213404
634020430125
75336361200
oct1520013745
9514266058
10222304229
11104537504
1262548345
1337096484
142174a937
15147b2dbe
hexd4017e5

222304229 has 24 divisors (see below), whose sum is σ = 263531520. Its totient is φ = 186955776.

The previous prime is 222304213. The next prime is 222304253. The reversal of 222304229 is 922403222.

It is not a de Polignac number, because 222304229 - 24 = 222304213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222304198 and 222304207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222304259) 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 23 ways as a sum of consecutive naturals, for example, 864869 + ... + 865125.

It is an arithmetic number, because the mean of its divisors is an integer number (10980480).

Almost surely, 2222304229 is an apocalyptic number.

It is an amenable number.

222304229 is a deficient number, since it is larger than the sum of its proper divisors (41227291).

222304229 is a wasteful number, since it uses less digits than its factorization.

222304229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 222304229 is about 14909.8701872283. The cubic root of 222304229 is about 605.7813632163.

The spelling of 222304229 in words is "two hundred twenty-two million, three hundred four thousand, two hundred twenty-nine".

Divisors: 1 7 49 127 139 257 889 973 1799 6223 6811 12593 17653 32639 35723 123571 228473 250061 864997 1599311 1750427 4536821 31757747 222304229