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222011012 = 2255502753
BaseRepresentation
bin11010011101110…
…01111010000100
3120110202022212002
431032321322010
5423313323022
634010244432
75334030266
oct1516717204
9513668762
10222011012
11104357183
1262426718
1336cc2b82
14216b1b36
1514756092
hexd3b9e84

222011012 has 6 divisors (see below), whose sum is σ = 388519278. Its totient is φ = 111005504.

The previous prime is 222010961. The next prime is 222011017. The reversal of 222011012 is 210110222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 221831236 + 179776 = 14894^2 + 424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222010984 and 222011002.

It is not an unprimeable number, because it can be changed into a prime (222011017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751373 + ... + 27751380.

It is an arithmetic number, because the mean of its divisors is an integer number (64753213).

Almost surely, 2222011012 is an apocalyptic number.

It is an amenable number.

222011012 is a deficient number, since it is larger than the sum of its proper divisors (166508266).

222011012 is a wasteful number, since it uses less digits than its factorization.

222011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55502757 (or 55502755 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222011012 is about 14900.0339596928. The cubic root of 222011012 is about 605.5149062272.

Adding to 222011012 its reverse (210110222), we get a palindrome (432121234).

The spelling of 222011012 in words is "two hundred twenty-two million, eleven thousand, twelve".

Divisors: 1 2 4 55502753 111005506 222011012