Search a number
-
+
2222220112 = 24719841251
BaseRepresentation
bin1000010001110100…
…0110001101010000
312201212111110220121
42010131012031100
514022342020422
61004301520024
7106032362560
oct20435061520
95655443817
102222220112
11a40426952
12520273014
13295511458
141711c2da0
15d015a8c7
hex84746350

2222220112 has 20 divisors (see below), whose sum is σ = 4920630496. Its totient is φ = 952380000.

The previous prime is 2222220103. The next prime is 2222220137. The reversal of 2222220112 is 2110222222.

It is a super-3 number, since 3×22222201123 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9920514 + ... + 9920737.

Almost surely, 22222220112 is an apocalyptic number.

It is an amenable number.

2222220112 is an abundant number, since it is smaller than the sum of its proper divisors (2698410384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222220112 is a wasteful number, since it uses less digits than its factorization.

2222220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19841266 (or 19841260 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2222220112 is about 47140.4296968112. The cubic root of 2222220112 is about 1304.9554673275.

Adding to 2222220112 its reverse (2110222222), we get a palindrome (4332442334).

The spelling of 2222220112 in words is "two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 19841251 39682502 79365004 138888757 158730008 277777514 317460016 555555028 1111110056 2222220112