Search a number
-
+
202224442221 = 3259380836991
BaseRepresentation
bin1011110001010110000…
…1000001101101101101
3201022222100222001120100
42330111201001231231
511303123424122341
6232522311341313
720416211253204
oct2742541015555
9638870861510
10202224442221
11788434755aa
1233238681839
13160ba12ab89
149b056c223b
1553d88bd3b6
hex2f15841b6d

202224442221 has 12 divisors (see below), whose sum is σ = 297052853760. Its totient is φ = 132531272520.

The previous prime is 202224442207. The next prime is 202224442223. The reversal of 202224442221 is 122244422202.

202224442221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202224442221 - 27 = 202224442093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202224442223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190417965 + ... + 190419026.

It is an arithmetic number, because the mean of its divisors is an integer number (24754404480).

Almost surely, 2202224442221 is an apocalyptic number.

It is an amenable number.

202224442221 is a deficient number, since it is larger than the sum of its proper divisors (94828411539).

202224442221 is a wasteful number, since it uses less digits than its factorization.

202224442221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380837056 (or 380837053 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 202224442221 its reverse (122244422202), we get a palindrome (324468864423).

The spelling of 202224442221 in words is "two hundred two billion, two hundred twenty-four million, four hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 3 9 59 177 531 380836991 1142510973 3427532919 22469382469 67408147407 202224442221