Base | Representation |
---|---|
bin | 10000110010001110010110 |
3 | 22021112200210 |
4 | 100302032112 |
5 | 2111300042 |
6 | 234150250 |
7 | 52254024 |
oct | 20621626 |
9 | 8245623 |
10 | 4400022 |
11 | 2535890 |
12 | 1582386 |
13 | bb0983 |
14 | 827714 |
15 | 5bda9c |
hex | 432396 |
4400022 has 32 divisors (see below), whose sum is σ = 9682560. Its totient is φ = 1321920.
The previous prime is 4400021. The next prime is 4400023. The reversal of 4400022 is 2200044.
It is an interprime number because it is at equal distance from previous prime (4400021) and next prime (4400023).
It is a zygodrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 4399980 and 4400007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4400021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10554 + ... + 10962.
It is an arithmetic number, because the mean of its divisors is an integer number (302580).
Almost surely, 24400022 is an apocalyptic number.
4400022 is an abundant number, since it is smaller than the sum of its proper divisors (5282538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4400022 is a wasteful number, since it uses less digits than its factorization.
4400022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588.
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 4400022 is about 2097.6229403780. The cubic root of 4400022 is about 163.8645272268.
Adding to 4400022 its reverse (2200044), we get a palindrome (6600066).
The spelling of 4400022 in words is "four million, four hundred thousand, twenty-two".
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