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22142182 = 219582689
BaseRepresentation
bin101010001110…
…1110011100110
31112122221100211
41110131303212
521132022212
62110330034
7356130316
oct124356346
945587324
1022142182
1111553827
1274b991a
1347834aa
142d25446
151e259a7
hex151dce6

22142182 has 8 divisors (see below), whose sum is σ = 34961400. Its totient is φ = 10488384.

The previous prime is 22142171. The next prime is 22142189. The reversal of 22142182 is 28124122.

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

It is a super-2 number, since 2×221421822 = 980552447442248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291307 + ... + 291382.

It is an arithmetic number, because the mean of its divisors is an integer number (4370175).

Almost surely, 222142182 is an apocalyptic number.

22142182 is a deficient number, since it is larger than the sum of its proper divisors (12819218).

22142182 is a wasteful number, since it uses less digits than its factorization.

22142182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582710.

The product of its digits is 512, while the sum is 22.

The square root of 22142182 is about 4705.5480020928. The cubic root of 22142182 is about 280.8062730097.

The spelling of 22142182 in words is "twenty-two million, one hundred forty-two thousand, one hundred eighty-two".

Divisors: 1 2 19 38 582689 1165378 11071091 22142182