Base | Representation |
---|---|
bin | 1000011110101110000011 |
3 | 11011221100120 |
4 | 20132232003 |
5 | 1032113404 |
6 | 115351323 |
7 | 24615663 |
oct | 10365603 |
9 | 4157316 |
10 | 2222979 |
11 | 1289180 |
12 | 8b2543 |
13 | 5caa95 |
14 | 41c1a3 |
15 | 2dd9d9 |
hex | 21eb83 |
2222979 has 32 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 1248000.
The previous prime is 2222977. The next prime is 2223007. The reversal of 2222979 is 9792222.
2222979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2222979 - 21 = 2222977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a d-powerful number, because it can be written as 29 + 210 + 220 + 220 + 92 + 76 + 94 .
2222979 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2222977) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41917 + ... + 41969.
It is an arithmetic number, because the mean of its divisors is an integer number (108864).
22222979 is an apocalyptic number.
2222979 is a deficient number, since it is larger than the sum of its proper divisors (1260669).
2222979 is a wasteful number, since it uses less digits than its factorization.
2222979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139.
The product of its digits is 9072, while the sum is 33.
The square root of 2222979 is about 1490.9657943762. The cubic root of 2222979 is about 130.5103997819.
The spelling of 2222979 in words is "two million, two hundred twenty-two thousand, nine hundred seventy-nine".
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