Base | Representation |
---|---|
bin | 111100010001000… |
… | …1010100110010111 |
3 | 12012221011112101200 |
4 | 1320202022212113 |
5 | 13120142102411 |
6 | 532355123543 |
7 | 101053414431 |
oct | 17042124627 |
9 | 5187145350 |
10 | 2022222231 |
11 | 948545547 |
12 | 4852a35b3 |
13 | 262c58103 |
14 | 152801651 |
15 | bc801e56 |
hex | 7888a997 |
2022222231 has 12 divisors (see below), whose sum is σ = 3074724120. Its totient is φ = 1277192880.
The previous prime is 2022222221. The next prime is 2022222239. The reversal of 2022222231 is 1322222202.
It is not a de Polignac number, because 2022222231 - 222 = 2018027927 is a prime.
It is a super-2 number, since 2×20222222312 = 8178765503101234722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2022222239) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5912760 + ... + 5913101.
It is an arithmetic number, because the mean of its divisors is an integer number (256227010).
Almost surely, 22022222231 is an apocalyptic number.
2022222231 is a deficient number, since it is larger than the sum of its proper divisors (1052501889).
2022222231 is a wasteful number, since it uses less digits than its factorization.
2022222231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11825886 (or 11825883 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2022222231 is about 44969.1253083713. The cubic root of 2022222231 is about 1264.5702490163.
Adding to 2022222231 its reverse (1322222202), we get a palindrome (3344444433).
The spelling of 2022222231 in words is "two billion, twenty-two million, two hundred twenty-two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.108 sec. • engine limits •