Base | Representation |
---|---|
bin | 1000011110100101011110 |
3 | 11011220121020 |
4 | 20132211132 |
5 | 1032104210 |
6 | 115345010 |
7 | 24614250 |
oct | 10364536 |
9 | 4156536 |
10 | 2222430 |
11 | 1288821 |
12 | 8b2166 |
13 | 5ca762 |
14 | 41bcd0 |
15 | 2dd770 |
hex | 21e95e |
2222430 has 64 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 480384.
The previous prime is 2222387. The next prime is 2222443. The reversal of 2222430 is 342222.
2222430 is nontrivially palindromic in base 11.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3712 + ... + 4268.
It is an arithmetic number, because the mean of its divisors is an integer number (100440).
22222430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214080).
2222430 is an abundant number, since it is smaller than the sum of its proper divisors (4205730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222430 is a wasteful number, since it uses less digits than its factorization.
2222430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 593.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 2222430 is about 1490.7816741562. The cubic root of 2222430 is about 130.4996550247.
Adding to 2222430 its reverse (342222), we get a palindrome (2564652).
The spelling of 2222430 in words is "two million, two hundred twenty-two thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •