Base | Representation |
---|---|
bin | 1000011110101110001110 |
3 | 11011221100222 |
4 | 20132232032 |
5 | 1032113430 |
6 | 115351342 |
7 | 24616010 |
oct | 10365616 |
9 | 4157328 |
10 | 2222990 |
11 | 1289190 |
12 | 8b2552 |
13 | 5caaa3 |
14 | 41c1b0 |
15 | 2dd9e5 |
hex | 21eb8e |
2222990 has 32 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 692640.
The previous prime is 2222977. The next prime is 2223007. The reversal of 2222990 is 992222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674 + ... + 2213.
It is an arithmetic number, because the mean of its divisors is an integer number (155952).
22222990 is an apocalyptic number.
2222990 is an abundant number, since it is smaller than the sum of its proper divisors (2767474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222990 is a wasteful number, since it uses less digits than its factorization.
2222990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2912.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 2222990 is about 1490.9694832558. The cubic root of 2222990 is about 130.5106150504.
The spelling of 2222990 in words is "two million, two hundred twenty-two thousand, nine hundred ninety".
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