Search a number
-
+
22230404 = 2272293467
BaseRepresentation
bin101010011001…
…1010110000100
31112211102101022
41110303112010
521142333104
62112250312
7356645450
oct124632604
945742338
1022230404
1111604039
127540998
1347b46b1
142d49660
151e41bbe
hex1533584

22230404 has 24 divisors (see below), whose sum is σ = 44667840. Its totient is φ = 9482976.

The previous prime is 22230391. The next prime is 22230421. The reversal of 22230404 is 40403222.

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 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (1861160).

Almost surely, 222230404 is an apocalyptic number.

It is an amenable number.

22230404 is an abundant number, since it is smaller than the sum of its proper divisors (22437436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22230404 is a wasteful number, since it uses less digits than its factorization.

22230404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22230404 is about 4714.9129366299. The cubic root of 22230404 is about 281.1787214268.

Adding to 22230404 its reverse (40403222), we get a palindrome (62633626).

The spelling of 22230404 in words is "twenty-two million, two hundred thirty thousand, four hundred four".

Divisors: 1 2 4 7 14 28 229 458 916 1603 3206 3467 6412 6934 13868 24269 48538 97076 793943 1587886 3175772 5557601 11115202 22230404