Search a number
-
+
22206284 = 2217326563
BaseRepresentation
bin101010010110…
…1011101001100
31112210012021222
41110231131030
521141100114
62111542512
7356515232
oct124553514
945705258
1022206284
1111597a01
12752aa38
1347a6719
142d40952
151e3998e
hex152d74c

22206284 has 12 divisors (see below), whose sum is σ = 41147064. Its totient is φ = 10449984.

The previous prime is 22206271. The next prime is 22206287. The reversal of 22206284 is 48260222.

It is not an unprimeable number, because it can be changed into a prime (22206287) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 163214 + ... + 163349.

It is an arithmetic number, because the mean of its divisors is an integer number (3428922).

Almost surely, 222206284 is an apocalyptic number.

It is an amenable number.

22206284 is a deficient number, since it is larger than the sum of its proper divisors (18940780).

22206284 is a wasteful number, since it uses less digits than its factorization.

22206284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326584 (or 326582 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 22206284 is about 4712.3544009338. The cubic root of 22206284 is about 281.0769916055.

The spelling of 22206284 in words is "twenty-two million, two hundred six thousand, two hundred eighty-four".

Divisors: 1 2 4 17 34 68 326563 653126 1306252 5551571 11103142 22206284