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22422424240 = 2452017138959
BaseRepresentation
bin10100111000011110…
…110000101010110000
32010212122202011121001
4110320132300222300
5331410120033430
614144542211344
71422435314146
oct247036605260
963778664531
1022422424240
119566968227
124419283b54
132164515268
141129d01596
158b37713ca
hex5387b0ab0

22422424240 has 40 divisors (see below), whose sum is σ = 52158358080. Its totient is φ = 8964458496.

The previous prime is 22422424201. The next prime is 22422424337. The reversal of 22422424240 is 4242422422.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×224224242403 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22422424199 and 22422424208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91881 + ... + 230839.

It is an arithmetic number, because the mean of its divisors is an integer number (1303958952).

Almost surely, 222422424240 is an apocalyptic number.

22422424240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422424240 is an abundant number, since it is smaller than the sum of its proper divisors (29735933840).

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

22422424240 is a wasteful number, since it uses less digits than its factorization.

22422424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140989 (or 140983 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22422424240 its reverse (4242422422), we get a palindrome (26664846662).

The spelling of 22422424240 in words is "twenty-two billion, four hundred twenty-two million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2017 4034 8068 10085 16136 20170 32272 40340 80680 138959 161360 277918 555836 694795 1111672 1389590 2223344 2779180 5558360 11116720 280280303 560560606 1121121212 1401401515 2242242424 2802803030 4484484848 5605606060 11211212120 22422424240