Base | Representation |
---|---|
bin | 101010001100… |
… | …0100110110101 |
3 | 1112121212011001 |
4 | 1110120212311 |
5 | 21130332020 |
6 | 2110043301 |
7 | 356011243 |
oct | 124304665 |
9 | 45555131 |
10 | 22120885 |
11 | 11539826 |
12 | 74a9531 |
13 | 47768a7 |
14 | 2d1b793 |
15 | 1e1e50a |
hex | 15189b5 |
22120885 has 8 divisors (see below), whose sum is σ = 26633376. Its totient is φ = 17637840.
The previous prime is 22120873. The next prime is 22120897. The reversal of 22120885 is 58802122.
It is an interprime number because it is at equal distance from previous prime (22120873) and next prime (22120897).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22120885 - 213 = 22112693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5671 + ... + 8740.
It is an arithmetic number, because the mean of its divisors is an integer number (3329172).
Almost surely, 222120885 is an apocalyptic number.
It is an amenable number.
22120885 is a deficient number, since it is larger than the sum of its proper divisors (4512491).
22120885 is a wasteful number, since it uses less digits than its factorization.
22120885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14723.
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 22120885 is about 4703.2844906512. The cubic root of 22120885 is about 280.7162148939.
It can be divided in two parts, 22120 and 885, that added together give a triangular number (23005 = T214).
The spelling of 22120885 in words is "twenty-two million, one hundred twenty thousand, eight hundred eighty-five".
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