| Base | Representation |
|---|---|
| bin | 10100100101011001… |
| … | …101100111101010100 |
| 3 | 2010001100102202112000 |
| 4 | 110211121230331110 |
| 5 | 330231144044340 |
| 6 | 14053105355300 |
| 7 | 1411500500304 |
| oct | 244531547524 |
| 9 | 63040382460 |
| 10 | 22102331220 |
| 11 | 941220a642 |
| 12 | 434a038b30 |
| 13 | 21131008c8 |
| 14 | 10d95bb604 |
| 15 | 8955e3d30 |
| hex | 52566cf54 |
22102331220 has 192 divisors, whose sum is σ = 69862141440. Its totient is φ = 5800467456.
The previous prime is 22102331219. The next prime is 22102331221. The reversal of 22102331220 is 2213320122.
22102331220 is a `hidden beast` number, since 2 + 210 + 233 + 1 + 220 = 666.
It is an interprime number because it is at equal distance from previous prime (22102331219) and next prime (22102331221).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 22102331193 and 22102331202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22102331221) 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, 9621112 + ... + 9623408.
It is an arithmetic number, because the mean of its divisors is an integer number (363865320).
Almost surely, 222102331220 is an apocalyptic number.
22102331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22102331220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34931070720).
22102331220 is an abundant number, since it is smaller than the sum of its proper divisors (47759810220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22102331220 is a wasteful number, since it uses less digits than its factorization.
22102331220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2591 (or 2583 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22102331220 its reverse (2213320122), we get a palindrome (24315651342).
The spelling of 22102331220 in words is "twenty-two billion, one hundred two million, three hundred thirty-one thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •