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222140316 = 22318511693
BaseRepresentation
bin11010011110110…
…01011110011100
3120110222220020010
431033121132130
5423331442231
634013123220
75335106256
oct1517313634
9513886203
10222140316
11104435342
1262489510
1337039998
1421706cd6
151477e546
hexd3d979c

222140316 has 12 divisors (see below), whose sum is σ = 518327432. Its totient is φ = 74046768.

The previous prime is 222140311. The next prime is 222140323. The reversal of 222140316 is 613041222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222140292 and 222140301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222140311) by changing a digit.

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, 9255835 + ... + 9255858.

Almost surely, 2222140316 is an apocalyptic number.

It is an amenable number.

222140316 is an abundant number, since it is smaller than the sum of its proper divisors (296187116).

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

222140316 is a wasteful number, since it uses less digits than its factorization.

222140316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18511700 (or 18511698 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 222140316 is about 14904.3723786009. The cubic root of 222140316 is about 605.6324383912.

Adding to 222140316 its reverse (613041222), we get a palindrome (835181538).

The spelling of 222140316 in words is "two hundred twenty-two million, one hundred forty thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 18511693 37023386 55535079 74046772 111070158 222140316