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22139196 = 22318110193
BaseRepresentation
bin101010001110…
…1000100111100
31112122210021020
41110131010330
521131423241
62110304140
7356115522
oct124350474
945583236
1022139196
1111551562
1274b8050
134782021
142d24312
151e24b66
hex151d13c

22139196 has 24 divisors (see below), whose sum is σ = 51948624. Its totient is φ = 7338240.

The previous prime is 22139191. The next prime is 22139203. The reversal of 22139196 is 69193122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22139191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2925 + ... + 7268.

It is an arithmetic number, because the mean of its divisors is an integer number (2164526).

Almost surely, 222139196 is an apocalyptic number.

It is an amenable number.

22139196 is an abundant number, since it is smaller than the sum of its proper divisors (29809428).

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

22139196 is a wasteful number, since it uses less digits than its factorization.

22139196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381 (or 10379 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 22139196 is about 4705.2307063522. The cubic root of 22139196 is about 280.7936496644.

The spelling of 22139196 in words is "twenty-two million, one hundred thirty-nine thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 181 362 543 724 1086 2172 10193 20386 30579 40772 61158 122316 1844933 3689866 5534799 7379732 11069598 22139196