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2213213122 = 21106606561
BaseRepresentation
bin1000001111101010…
…1111001111000010
312201020112212122101
42003322233033002
514013040304442
61003340501014
7105563000251
oct20372571702
95636485571
102213213122
11a3633485a
1251924a76a
132936a9883
1416dd1a798
15ce47bcb7
hex83eaf3c2

2213213122 has 4 divisors (see below), whose sum is σ = 3319819686. Its totient is φ = 1106606560.

The previous prime is 2213213099. The next prime is 2213213131. The reversal of 2213213122 is 2213123122.

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

It can be written as a sum of positive squares in only one way, i.e., 1430276761 + 782936361 = 37819^2 + 27981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2213213122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 553303279 + ... + 553303282.

Almost surely, 22213213122 is an apocalyptic number.

2213213122 is a deficient number, since it is larger than the sum of its proper divisors (1106606564).

2213213122 is a wasteful number, since it uses less digits than its factorization.

2213213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106606563.

The product of its digits is 288, while the sum is 19.

The square root of 2213213122 is about 47044.7990961807. The cubic root of 2213213122 is about 1303.1900201668.

Adding to 2213213122 its reverse (2213123122), we get a palindrome (4426336244).

Subtracting from 2213213122 its reverse (2213123122), we obtain a square (90000 = 3002).

The spelling of 2213213122 in words is "two billion, two hundred thirteen million, two hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 1106606561 2213213122