Search a number
-
+
22630044 = 2238212297
BaseRepresentation
bin101011001010…
…0111010011100
31120120201120210
41112110322130
521243130134
62125012420
7363231543
oct126247234
946521523
1022630044
1111857318
1276b4110
1348c4578
14301115a
151ec02e9
hex1594e9c

22630044 has 24 divisors (see below), whose sum is σ = 52890768. Its totient is φ = 7530880.

The previous prime is 22630039. The next prime is 22630057. The reversal of 22630044 is 44003622.

It is a self number, because there is not a number n which added to its sum of digits gives 22630044.

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, 8704 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (2203782).

Almost surely, 222630044 is an apocalyptic number.

It is an amenable number.

22630044 is an abundant number, since it is smaller than the sum of its proper divisors (30260724).

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

22630044 is a wasteful number, since it uses less digits than its factorization.

22630044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22630044 is about 4757.1045815706. The cubic root of 22630044 is about 282.8536578928.

Adding to 22630044 its reverse (44003622), we get a palindrome (66633666).

The spelling of 22630044 in words is "twenty-two million, six hundred thirty thousand, forty-four".

Divisors: 1 2 3 4 6 12 821 1642 2297 2463 3284 4594 4926 6891 9188 9852 13782 27564 1885837 3771674 5657511 7543348 11315022 22630044