Search a number
-
+
22221012033 = 3211761294947
BaseRepresentation
bin10100101100011110…
…011011110001000001
32010100121202100222200
4110230132123301001
5331002034341113
614112545223413
71414441325433
oct245436336101
963317670880
1022221012033
119473200260
124381931b69
13213188523c
14110b272653
158a0c38873
hex52c79bc41

22221012033 has 24 divisors (see below), whose sum is σ = 35061058656. Its totient is φ = 13449537600.

The previous prime is 22221012019. The next prime is 22221012059. The reversal of 22221012033 is 33021012222.

It is not a de Polignac number, because 22221012033 - 216 = 22220946497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221011997 and 22221012015.

It is not an unprimeable number, because it can be changed into a prime (22221012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72135 + ... + 222812.

It is an arithmetic number, because the mean of its divisors is an integer number (1460877444).

Almost surely, 222221012033 is an apocalyptic number.

It is an amenable number.

22221012033 is a deficient number, since it is larger than the sum of its proper divisors (12840046623).

22221012033 is a wasteful number, since it uses less digits than its factorization.

22221012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295725 (or 295722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22221012033 its reverse (33021012222), we get a palindrome (55242024255).

The spelling of 22221012033 in words is "twenty-two billion, two hundred twenty-one million, twelve thousand, thirty-three".

Divisors: 1 3 9 11 33 99 761 2283 6849 8371 25113 75339 294947 884841 2654523 3244417 9733251 29199753 224454667 673364001 2020092003 2469001337 7407004011 22221012033