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22331230 = 252233123
BaseRepresentation
bin101010100101…
…1111101011110
31120000112200121
41111023331132
521204044410
62114345154
7360545425
oct125137536
946015617
1022331230
1111672869
12758b1ba
13481b55c
142d742bc
151e619da
hex154bf5e

22331230 has 8 divisors (see below), whose sum is σ = 40196232. Its totient is φ = 8932488.

The previous prime is 22331203. The next prime is 22331249. The reversal of 22331230 is 3213322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116552 + ... + 1116571.

It is an arithmetic number, because the mean of its divisors is an integer number (5024529).

Almost surely, 222331230 is an apocalyptic number.

22331230 is a deficient number, since it is larger than the sum of its proper divisors (17865002).

22331230 is a wasteful number, since it uses less digits than its factorization.

22331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233130.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 22331230 is about 4725.5930844710. The cubic root of 22331230 is about 281.6031757427.

Adding to 22331230 its reverse (3213322), we get a palindrome (25544552).

The spelling of 22331230 in words is "twenty-two million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 2233123 4466246 11165615 22331230