Base | Representation |
---|---|
bin | 10100011111010100… |
… | …001011111100110101 |
3 | 2002210020022002000020 |
4 | 110133110023330311 |
5 | 330024024101010 |
6 | 14035021035353 |
7 | 1406120541636 |
oct | 243724137465 |
9 | 62706262006 |
10 | 22000222005 |
11 | 936a608463 |
12 | 431b9b5b59 |
13 | 20c7bcc058 |
14 | 10c9bdb88d |
15 | 88b674470 |
hex | 51f50bf35 |
22000222005 has 64 divisors (see below), whose sum is σ = 36759985920. Its totient is φ = 11221862400.
The previous prime is 22000221989. The next prime is 22000222007. The reversal of 22000222005 is 50022200022.
It is not a de Polignac number, because 22000222005 - 24 = 22000221989 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22000222007) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25791159 + ... + 25792011.
It is an arithmetic number, because the mean of its divisors is an integer number (574374780).
Almost surely, 222000222005 is an apocalyptic number.
It is an amenable number.
22000222005 is a deficient number, since it is larger than the sum of its proper divisors (14759763915).
22000222005 is a wasteful number, since it uses less digits than its factorization.
22000222005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1382.
The product of its (nonzero) digits is 160, while the sum is 15.
Adding to 22000222005 its reverse (50022200022), we get a palindrome (72022422027).
The spelling of 22000222005 in words is "twenty-two billion, two hundred twenty-two thousand, five".
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