Base | Representation |
---|---|
bin | 101010100101… |
… | …1011001000101 |
3 | 1120000102111100 |
4 | 1111023121011 |
5 | 21204011101 |
6 | 2114330313 |
7 | 360535560 |
oct | 125133105 |
9 | 46012440 |
10 | 22328901 |
11 | 11671041 |
12 | 7589999 |
13 | 481a48a |
14 | 2d734d7 |
15 | 1e60e86 |
hex | 154b645 |
22328901 has 24 divisors (see below), whose sum is σ = 37649664. Its totient is φ = 12486240.
The previous prime is 22328879. The next prime is 22328941. The reversal of 22328901 is 10982322.
It is a happy number.
It is not a de Polignac number, because 22328901 - 211 = 22326853 is a prime.
It is a super-3 number, since 3×223289013 (a number of 23 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22328941) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 810 + ... + 6731.
It is an arithmetic number, because the mean of its divisors is an integer number (1568736).
Almost surely, 222328901 is an apocalyptic number.
22328901 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
22328901 is a deficient number, since it is larger than the sum of its proper divisors (15320763).
22328901 is a wasteful number, since it uses less digits than its factorization.
22328901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7601 (or 7598 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 22328901 is about 4725.3466539504. The cubic root of 22328901 is about 281.5933856178.
The spelling of 22328901 in words is "twenty-two million, three hundred twenty-eight thousand, nine hundred one".
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