Base | Representation |
---|---|
bin | 100110100100… |
… | …1000011111010 |
3 | 1102001101122110 |
4 | 1031021003322 |
5 | 20134102302 |
6 | 2001233150 |
7 | 333612600 |
oct | 115110372 |
9 | 42041573 |
10 | 20222202 |
11 | 10462270 |
12 | 69327b6 |
13 | 4260600 |
14 | 2985870 |
15 | 1b96b6c |
hex | 13490fa |
20222202 has 144 divisors (see below), whose sum is σ = 57078432. Its totient is φ = 4717440.
The previous prime is 20222201. The next prime is 20222207.
20222202 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (20222201) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 546528 + ... + 546564.
It is an arithmetic number, because the mean of its divisors is an integer number (396378).
Almost surely, 220222202 is an apocalyptic number.
20222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 20222202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28539216).
20222202 is an abundant number, since it is smaller than the sum of its proper divisors (36856230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20222202 is a wasteful number, since it uses less digits than its factorization.
20222202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93 (or 73 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 20222202 is about 4496.9102726205. The cubic root of 20222202 is about 272.4433100376.
It can be divided in two parts, 2022 and 2202, that added together give a palindrome (4224).
The spelling of 20222202 in words is "twenty million, two hundred twenty-two thousand, two hundred two".
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