Search a number
-
+
22282239 = 372346133
BaseRepresentation
bin101010011111…
…1111111111111
31112221001111010
41110333333333
521201012424
62113330303
7360252540
oct124777777
945831433
1022282239
1111639a81
127566993
134802175
142d604c7
151e52229
hex153ffff

22282239 has 16 divisors (see below), whose sum is σ = 35430912. Its totient is φ = 12178848.

The previous prime is 22282199. The next prime is 22282243. The reversal of 22282239 is 93228222.

It is not a de Polignac number, because 22282239 - 211 = 22280191 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22282259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22584 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (2214432).

Almost surely, 222282239 is an apocalyptic number.

22282239 is a deficient number, since it is larger than the sum of its proper divisors (13148673).

22282239 is a wasteful number, since it uses less digits than its factorization.

22282239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46166.

The product of its digits is 6912, while the sum is 30.

The square root of 22282239 is about 4720.4066562109. The cubic root of 22282239 is about 281.3970948085.

The spelling of 22282239 in words is "twenty-two million, two hundred eighty-two thousand, two hundred thirty-nine".

Divisors: 1 3 7 21 23 69 161 483 46133 138399 322931 968793 1061059 3183177 7427413 22282239