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22082272 = 254116831
BaseRepresentation
bin101010000111…
…1001011100000
31112112220011221
41110033023200
521123113042
62105144424
7355460542
oct124171340
945486157
1022082272
1111512813
12748b114
134762144
142d0b692
151e12d67
hex150f2e0

22082272 has 24 divisors (see below), whose sum is σ = 44537472. Its totient is φ = 10771200.

The previous prime is 22082267. The next prime is 22082293. The reversal of 22082272 is 27228022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7104 + ... + 9727.

It is an arithmetic number, because the mean of its divisors is an integer number (1855728).

Almost surely, 222082272 is an apocalyptic number.

It is an amenable number.

22082272 is an abundant number, since it is smaller than the sum of its proper divisors (22455200).

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

22082272 is a wasteful number, since it uses less digits than its factorization.

22082272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16882 (or 16874 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 22082272 is about 4699.1778004242. The cubic root of 22082272 is about 280.5527855049.

The spelling of 22082272 in words is "twenty-two million, eighty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 16831 33662 67324 134648 269296 538592 690071 1380142 2760284 5520568 11041136 22082272