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22230022021 = 1910909107251
BaseRepresentation
bin10100101101000000…
…110011011110000101
32010101020201010100221
4110231000303132011
5331011341201041
614113510304341
71414611032554
oct245500633605
963336633327
1022230022021
1194782a4629
1243849580b1
1321336bb2ac
14110c539d9b
158a19182d1
hex52d033785

22230022021 has 8 divisors (see below), whose sum is σ = 23402386400. Its totient is φ = 21057894000.

The previous prime is 22230021959. The next prime is 22230022037. The reversal of 22230022021 is 12022003222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22230022021 - 219 = 22229497733 is a prime.

It is a super-3 number, since 3×222300220213 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22230021986 and 22230022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230022121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153646 + ... + 260896.

It is an arithmetic number, because the mean of its divisors is an integer number (2925298300).

Almost surely, 222230022021 is an apocalyptic number.

It is an amenable number.

22230022021 is a deficient number, since it is larger than the sum of its proper divisors (1172364379).

22230022021 is a wasteful number, since it uses less digits than its factorization.

22230022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118179.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22230022021 its reverse (12022003222), we get a palindrome (34252025243).

The spelling of 22230022021 in words is "twenty-two billion, two hundred thirty million, twenty-two thousand, twenty-one".

Divisors: 1 19 10909 107251 207271 2037769 1170001159 22230022021