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222141804 = 22318511817
BaseRepresentation
bin11010011110110…
…01110101101100
3120110222222021020
431033121311230
5423332014204
634013134140
75335113513
oct1517316554
9513888236
10222141804
11104436475
126248a350
133703a571
142170767a
151477ebd9
hexd3d9d6c

222141804 has 12 divisors (see below), whose sum is σ = 518330904. Its totient is φ = 74047264.

The previous prime is 222141793. The next prime is 222141811. The reversal of 222141804 is 408141222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9255897 + ... + 9255920.

It is an arithmetic number, because the mean of its divisors is an integer number (43194242).

Almost surely, 2222141804 is an apocalyptic number.

It is an amenable number.

222141804 is an abundant number, since it is smaller than the sum of its proper divisors (296189100).

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

222141804 is a wasteful number, since it uses less digits than its factorization.

222141804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18511824 (or 18511822 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 222141804 is about 14904.4222967547. The cubic root of 222141804 is about 605.6337906582.

The spelling of 222141804 in words is "two hundred twenty-two million, one hundred forty-one thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 18511817 37023634 55535451 74047268 111070902 222141804