Search a number
-
+
22266005 = 517219811
BaseRepresentation
bin101010011110…
…0000010010101
31112220020012212
41110330002111
521200003010
62113123205
7360154316
oct124740225
945806185
1022266005
1111628863
127559505
1347c7968
142d5860d
151e4c505
hex153c095

22266005 has 24 divisors (see below), whose sum is σ = 29914080. Its totient is φ = 15863040.

The previous prime is 22265987. The next prime is 22266017. The reversal of 22266005 is 50066222.

It is a happy number.

It is not a de Polignac number, because 22266005 - 212 = 22261909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27050 + ... + 27860.

It is an arithmetic number, because the mean of its divisors is an integer number (1246420).

Almost surely, 222266005 is an apocalyptic number.

It is an amenable number.

22266005 is a deficient number, since it is larger than the sum of its proper divisors (7648075).

22266005 is a wasteful number, since it uses less digits than its factorization.

22266005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22266005 is about 4718.6867876561. The cubic root of 22266005 is about 281.3287397644.

The spelling of 22266005 in words is "twenty-two million, two hundred sixty-six thousand, five".

Divisors: 1 5 17 19 85 95 289 323 811 1445 1615 4055 5491 13787 15409 27455 68935 77045 234379 261953 1171895 1309765 4453201 22266005