Base | Representation |
---|---|
bin | 1000010010010010… |
… | …1110110100000100 |
3 | 12202000021011020000 |
4 | 2010210232310010 |
5 | 14023400041234 |
6 | 1004412441300 |
7 | 106055366424 |
oct | 20444566404 |
9 | 5660234200 |
10 | 2224221444 |
11 | a41573545 |
12 | 520a79230 |
13 | 295a62383 |
14 | 171584484 |
15 | d0403899 |
hex | 8492ed04 |
2224221444 has 30 divisors (see below), whose sum is σ = 5814555054. Its totient is φ = 741407040.
The previous prime is 2224221437. The next prime is 2224221521. The reversal of 2224221444 is 4441224222.
2224221444 is a `hidden beast` number, since 222 + 422 + 14 + 4 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 2148322500 + 75898944 = 46350^2 + 8712^2 .
It is a super-2 number, since 2×22242214442 = 9894322063898890272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3432117 + ... + 3432764.
Almost surely, 22224221444 is an apocalyptic number.
It is an amenable number.
2224221444 is an abundant number, since it is smaller than the sum of its proper divisors (3590333610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2224221444 is a wasteful number, since it uses less digits than its factorization.
2224221444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6864897 (or 6864886 counting only the distinct ones).
The product of its digits is 8192, while the sum is 27.
The square root of 2224221444 is about 47161.6522611327. The cubic root of 2224221444 is about 1305.3470975259.
Adding to 2224221444 its reverse (4441224222), we get a palindrome (6665445666).
The spelling of 2224221444 in words is "two billion, two hundred twenty-four million, two hundred twenty-one thousand, four hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •