Base | Representation |
---|---|
bin | 1000010001011001… |
… | …0100110010000001 |
3 | 12201202011021122100 |
4 | 2010112110302001 |
5 | 14021413213201 |
6 | 1004155501013 |
7 | 106011320001 |
oct | 20426246201 |
9 | 5652137570 |
10 | 2220444801 |
11 | a3a424053 |
12 | 51b757769 |
13 | 29503c383 |
14 | 170c80001 |
15 | cee09886 |
hex | 84594c81 |
2220444801 has 12 divisors (see below), whose sum is σ = 3245952528. Its totient is φ = 1462461144.
The previous prime is 2220444773. The next prime is 2220444833. The reversal of 2220444801 is 1084440222.
It is not a de Polignac number, because 2220444801 - 223 = 2212056193 is a prime.
It is a super-2 number, since 2×22204448012 = 9860750228575859202, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2220444871) 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 11 ways as a sum of consecutive naturals, for example, 1485495 + ... + 1486988.
It is an arithmetic number, because the mean of its divisors is an integer number (270496044).
Almost surely, 22220444801 is an apocalyptic number.
It is an amenable number.
2220444801 is a deficient number, since it is larger than the sum of its proper divisors (1025507727).
2220444801 is a wasteful number, since it uses less digits than its factorization.
2220444801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2972572 (or 2972569 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 27.
The square root of 2220444801 is about 47121.5959088824. The cubic root of 2220444801 is about 1304.6078691474.
The spelling of 2220444801 in words is "two billion, two hundred twenty million, four hundred forty-four thousand, eight hundred one".
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