Search a number
-
+
22442302330 = 2572202922573
BaseRepresentation
bin10100111001101010…
…100101101101111010
32010221001011002012121
4110321222211231322
5331430212133310
614150532231454
71423066264600
oct247152455572
963831132177
1022442302330
1195771049a8
124423a6b58a
132168685046
14112c7d7870
158b539b0da
hex539aa5b7a

22442302330 has 48 divisors (see below), whose sum is σ = 47016675720. Its totient is φ = 7690370688.

The previous prime is 22442302291. The next prime is 22442302331. The reversal of 22442302330 is 3320324422.

It can be written as a sum of positive squares in 4 ways, for example, as 19196379601 + 3245922729 = 138551^2 + 56973^2 .

It is a super-2 number, since 2×224423023302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22442302295 and 22442302304.

It is not an unprimeable number, because it can be changed into a prime (22442302331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 982924 + ... + 1005496.

Almost surely, 222442302330 is an apocalyptic number.

22442302330 is an abundant number, since it is smaller than the sum of its proper divisors (24574373390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22442302330 is a wasteful number, since it uses less digits than its factorization.

22442302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24623 (or 24616 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22442302330 its reverse (3320324422), we get a palindrome (25762626752).

The spelling of 22442302330 in words is "twenty-two billion, four hundred forty-two million, three hundred two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 2029 4058 10145 14203 20290 22573 28406 45146 71015 99421 112865 142030 158011 198842 225730 316022 497105 790055 994210 1106077 1580110 2212154 5530385 11060770 45800617 91601234 229003085 320604319 458006170 641208638 1603021595 2244230233 3206043190 4488460466 11221151165 22442302330