Search a number
-
+
12231022 = 219536073
BaseRepresentation
bin101110101010…
…000101101110
3212000101210211
4232222011232
511112343042
61114053034
7205650646
oct56520556
925011724
1012231022
1169a4391
12411a17a
1326c31bb
1418a5526
151119017
hexbaa16e

12231022 has 16 divisors (see below), whose sum is σ = 19679760. Its totient is φ = 5683392.

The previous prime is 12231001. The next prime is 12231059. The reversal of 12231022 is 22013221.

It is a junction number, because it is equal to n+sod(n) for n = 12230993 and 12231011.

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 7 ways as a sum of consecutive naturals, for example, 1023 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (1229985).

Almost surely, 212231022 is an apocalyptic number.

12231022 is a deficient number, since it is larger than the sum of its proper divisors (7448738).

12231022 is a wasteful number, since it uses less digits than its factorization.

12231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12231022 is about 3497.2878062865. The cubic root of 12231022 is about 230.4027097281.

Adding to 12231022 its reverse (22013221), we get a palindrome (34244243).

The spelling of 12231022 in words is "twelve million, two hundred thirty-one thousand, twenty-two".

Divisors: 1 2 19 38 53 106 1007 2014 6073 12146 115387 230774 321869 643738 6115511 12231022