Search a number
-
+
2220220216 = 23478776733
BaseRepresentation
bin1000010001010101…
…1101111100111000
312201201201212120101
42010111131330320
514021334021331
61004151005144
7106006363144
oct20425357470
95651655511
102220220216
11a3a290345
1251b6697b4
13294c91096
14170c22224
15cedb3061
hex8455df38

2220220216 has 32 divisors (see below), whose sum is σ = 4256965440. Its totient is φ = 1085090688.

The previous prime is 2220220201. The next prime is 2220220231. The reversal of 2220220216 is 6120220222.

2220220216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2220220201) and next prime (2220220231).

It is a junction number, because it is equal to n+sod(n) for n = 2220220193 and 2220220202.

It is a congruent number.

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, 326386 + ... + 333118.

It is an arithmetic number, because the mean of its divisors is an integer number (133030170).

Almost surely, 22220220216 is an apocalyptic number.

It is an amenable number.

2220220216 is a deficient number, since it is larger than the sum of its proper divisors (2036745224).

2220220216 is a wasteful number, since it uses less digits than its factorization.

2220220216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663 (or 7659 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2220220216 is about 47119.2128117608. The cubic root of 2220220216 is about 1304.5638831801.

Adding to 2220220216 its reverse (6120220222), we get a palindrome (8340440438).

The spelling of 2220220216 in words is "two billion, two hundred twenty million, two hundred twenty thousand, two hundred sixteen".

Divisors: 1 2 4 8 47 94 188 376 877 1754 3508 6733 7016 13466 26932 41219 53864 82438 164876 316451 329752 632902 1265804 2531608 5904841 11809682 23619364 47238728 277527527 555055054 1110110108 2220220216