Base | Representation |
---|---|
bin | 10100101011110101… |
… | …010001011110110000 |
3 | 2010022212110011211211 |
4 | 110223311101132300 |
5 | 330441304101000 |
6 | 14111522045504 |
7 | 1414250525551 |
oct | 245365213660 |
9 | 63285404754 |
10 | 22210222000 |
11 | 946810057a |
12 | 437a1a9894 |
13 | 212c577bc5 |
14 | 1109a64328 |
15 | 89ed067ba |
hex | 52bd517b0 |
22210222000 has 160 divisors (see below), whose sum is σ = 54854864064. Its totient is φ = 8695296000.
The previous prime is 22210221997. The next prime is 22210222003. The reversal of 22210222000 is 22201222.
It is an interprime number because it is at equal distance from previous prime (22210221997) and next prime (22210222003).
It is a super-2 number, since 2×222102220002 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22210222003) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37453704 + ... + 37454296.
Almost surely, 222210222000 is an apocalyptic number.
22210222000 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 22210222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27427432032).
22210222000 is an abundant number, since it is smaller than the sum of its proper divisors (32644642064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22210222000 is a wasteful number, since it uses less digits than its factorization.
22210222000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 984 (or 968 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 22210222000 its reverse (22201222), we get a palindrome (22232423222).
The spelling of 22210222000 in words is "twenty-two billion, two hundred ten million, two hundred twenty-two thousand".
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