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22222133849 is a prime number
BaseRepresentation
bin10100101100100010…
…101101101001011001
32010100200212100211102
4110230202231221121
5331002331240344
614113025241145
71414454010146
oct245442555131
963320770742
1022222133849
1194738a7083
1243821931b5
132131b88a36
14110b4853cd
158a0daae4e
hex52c8ada59

22222133849 has 2 divisors, whose sum is σ = 22222133850. Its totient is φ = 22222133848.

The previous prime is 22222133819. The next prime is 22222133863. The reversal of 22222133849 is 94833122222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16324661824 + 5897472025 = 127768^2 + 76795^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222133849 - 220 = 22221085273 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222133819) 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 as a sum of consecutive naturals, namely, 11111066924 + 11111066925.

It is an arithmetic number, because the mean of its divisors is an integer number (11111066925).

Almost surely, 222222133849 is an apocalyptic number.

It is an amenable number.

22222133849 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222133849 is an equidigital number, since it uses as much as digits as its factorization.

22222133849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The spelling of 22222133849 in words is "twenty-two billion, two hundred twenty-two million, one hundred thirty-three thousand, eight hundred forty-nine".