Search a number
-
+
12022285 = 511241907
BaseRepresentation
bin101101110111…
…001000001101
3211121210110211
4231313020031
511034203120
61105402421
7204121252
oct55671015
924553424
1012022285
116871580
124039411
13264c1a2
14184d429
1510c725a
hexb7720d

12022285 has 16 divisors (see below), whose sum is σ = 15820992. Its totient is φ = 8697600.

The previous prime is 12022267. The next prime is 12022291. The reversal of 12022285 is 58222021.

It is not a de Polignac number, because 12022285 - 221 = 9925133 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12802 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (988812).

Almost surely, 212022285 is an apocalyptic number.

It is an amenable number.

12022285 is a deficient number, since it is larger than the sum of its proper divisors (3798707).

12022285 is a wasteful number, since it uses less digits than its factorization.

12022285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12022285 is about 3467.3166858538. The cubic root of 12022285 is about 229.0844828540.

The spelling of 12022285 in words is "twelve million, twenty-two thousand, two hundred eighty-five".

Divisors: 1 5 11 55 241 907 1205 2651 4535 9977 13255 49885 218587 1092935 2404457 12022285