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222200212001 = 1844891204409
BaseRepresentation
bin1100111011110000101…
…0100010101000100001
3210020112111220022012112
43032330022202220201
512120031223241001
6250024413405105
722024220432105
oct3167412425041
9706474808175
10222200212001
1186264255049
1237092499795
1317c517a0ab1
14aa7c69b905
155ba744ecbb
hex33bc2a2a21

222200212001 has 4 divisors (see below), whose sum is σ = 222201600900. Its totient is φ = 222198823104.

The previous prime is 222200211979. The next prime is 222200212027. The reversal of 222200212001 is 100212002222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72393283600 + 149806928401 = 269060^2 + 387049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222200212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222200212081) 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, 417716 + ... + 786693.

It is an arithmetic number, because the mean of its divisors is an integer number (55550400225).

Almost surely, 2222200212001 is an apocalyptic number.

It is an amenable number.

222200212001 is a deficient number, since it is larger than the sum of its proper divisors (1388899).

222200212001 is a wasteful number, since it uses less digits than its factorization.

222200212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388898.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222200212001 its reverse (100212002222), we get a palindrome (322412214223).

The spelling of 222200212001 in words is "two hundred twenty-two billion, two hundred million, two hundred twelve thousand, one".

Divisors: 1 184489 1204409 222200212001