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1001222212 = 225910341189
BaseRepresentation
bin111011101011010…
…111000001000100
32120202222100200011
4323223113001010
54022303102322
6243203400004
733545151124
oct7353270104
92522870604
101001222212
11474189081
1223b383004
1312c5775a3
1496d88c84
155cd73677

1001222212 has 24 divisors (see below), whose sum is σ = 1799179200. Its totient is φ = 487336416.

The previous prime is 1001222207. The next prime is 1001222227. The reversal of 1001222212 is 2122221001.

It is a happy number.

1001222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1001222192 and 1001222201.

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, 3714 + ... + 44902.

It is an arithmetic number, because the mean of its divisors is an integer number (74965800).

Almost surely, 21001222212 is an apocalyptic number.

It is an amenable number.

1001222212 is a deficient number, since it is larger than the sum of its proper divisors (797956988).

1001222212 is a wasteful number, since it uses less digits than its factorization.

1001222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41355 (or 41353 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1001222212 is about 31642.0955690359. The cubic root of 1001222212 is about 1000.4072381346.

Adding to 1001222212 its reverse (2122221001), we get a palindrome (3123443213).

The spelling of 1001222212 in words is "one billion, one million, two hundred twenty-two thousand, two hundred twelve".