Search a number
-
+
2210222222 = 21326539119
BaseRepresentation
bin1000001110111101…
…0101000010001110
312201000220220220022
42003233111002032
514011304102342
61003152422142
7105525402365
oct20357250216
95630826808
102210222222
11a3468173a
12518247952
13292ba0400
1416d77c7dc
15ce08a9d2
hex83bd508e

2210222222 has 12 divisors (see below), whose sum is σ = 3589976880. Its totient is φ = 1020102408.

The previous prime is 2210222213. The next prime is 2210222227. The reversal of 2210222222 is 2222220122.

2210222222 is a modest number, since divided by 22222 gives 22102 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2210222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210222227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3269222 + ... + 3269897.

It is an arithmetic number, because the mean of its divisors is an integer number (299164740).

Almost surely, 22210222222 is an apocalyptic number.

2210222222 is a deficient number, since it is larger than the sum of its proper divisors (1379754658).

2210222222 is a wasteful number, since it uses less digits than its factorization.

2210222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539147 (or 6539134 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2210222222 is about 47013.0005636739. Note that the first 3 decimals coincide. The cubic root of 2210222222 is about 1302.6027189742.

Adding to 2210222222 its reverse (2222220122), we get a palindrome (4432442344).

The spelling of 2210222222 in words is "two billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 13 26 169 338 6539119 13078238 85008547 170017094 1105111111 2210222222