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1223222100330 = 235311315292581
BaseRepresentation
bin10001110011001101101…
…110000000000101101010
311022221100110012000221110
4101303031232000011222
5130020124324202310
62333535050451150
7154242404204316
oct21631556000552
94287313160843
101223222100330
11431846a9384a
1217909a733ab6
138b47069b589
14432c070cb46
1521c4376cd20
hex11ccdb8016a

1223222100330 has 32 divisors (see below), whose sum is σ = 3030434108928. Its totient is φ = 315670219200.

The previous prime is 1223222100323. The next prime is 1223222100371. The reversal of 1223222100330 is 330012223221.

It is a happy number.

It is a super-2 number, since 2×12232221003302 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223222100297 and 1223222100306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657645361 + ... + 657647220.

It is an arithmetic number, because the mean of its divisors is an integer number (94701065904).

Almost surely, 21223222100330 is an apocalyptic number.

1223222100330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223222100330 is an abundant number, since it is smaller than the sum of its proper divisors (1807212008598).

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

1223222100330 is a wasteful number, since it uses less digits than its factorization.

1223222100330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315292622.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1223222100330 its reverse (330012223221), we get a palindrome (1553234323551).

The spelling of 1223222100330 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, one hundred thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1315292581 2630585162 3945877743 6576462905 7891755486 13152925810 19729388715 39458777430 40774070011 81548140022 122322210033 203870350055 244644420066 407740700110 611611050165 1223222100330