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222231201140 = 22513854735389
BaseRepresentation
bin1100111011111000000…
…0110000010101110100
3210020121200012201022102
43032332000300111310
512120112141414030
6250031441521232
722025045020334
oct3167600602564
9706550181272
10222231201140
118627a7a0703
12370a0943218
1317c58031070
14aa828470c4
155baa021c45
hex33be030574

222231201140 has 24 divisors (see below), whose sum is σ = 502584409320. Its totient is φ = 82054597248.

The previous prime is 222231201121. The next prime is 222231201191. The reversal of 222231201140 is 41102132222.

It can be written as a sum of positive squares in 4 ways, for example, as 25455564304 + 196775636836 = 159548^2 + 443594^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427367435 + ... + 427367954.

It is an arithmetic number, because the mean of its divisors is an integer number (20941017055).

Almost surely, 2222231201140 is an apocalyptic number.

222231201140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222231201140 is an abundant number, since it is smaller than the sum of its proper divisors (280353208180).

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

222231201140 is a wasteful number, since it uses less digits than its factorization.

222231201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854735411 (or 854735409 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222231201140 its reverse (41102132222), we get a palindrome (263333333362).

The spelling of 222231201140 in words is "two hundred twenty-two billion, two hundred thirty-one million, two hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 854735389 1709470778 3418941556 4273676945 8547353890 11111560057 17094707780 22223120114 44446240228 55557800285 111115600570 222231201140