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22005250469 is a prime number
BaseRepresentation
bin10100011111100111…
…010111100110100101
32002210120202112202122
4110133213113212211
5330031321003334
614035320515325
71406211354116
oct243747274645
962716675678
1022005250469
119372432414
12432161bb45
1320c8c6ca87
1410ca74a20d
1588bd1932e
hex51f9d79a5

22005250469 has 2 divisors, whose sum is σ = 22005250470. Its totient is φ = 22005250468.

The previous prime is 22005250457. The next prime is 22005250511. The reversal of 22005250469 is 96405250022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20753859844 + 1251390625 = 144062^2 + 35375^2 .

It is a cyclic number.

It is not a de Polignac number, because 22005250469 - 28 = 22005250213 is a prime.

It is a super-2 number, since 2×220052504692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22005250409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002625234 + 11002625235.

It is an arithmetic number, because the mean of its divisors is an integer number (11002625235).

Almost surely, 222005250469 is an apocalyptic number.

It is an amenable number.

22005250469 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005250469 is an equidigital number, since it uses as much as digits as its factorization.

22005250469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 22005250469 in words is "twenty-two billion, five million, two hundred fifty thousand, four hundred sixty-nine".