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22221045369 = 329719254039
BaseRepresentation
bin10100101100011110…
…100011111001111001
32010100121211001201100
4110230132203321321
5331002041422434
614112550042013
71414441524555
oct245436437171
963317731640
1022221045369
119473223306
124381949309
132131897473
14110b280865
158a0c43699
hex52c7a3e79

22221045369 has 12 divisors (see below), whose sum is σ = 32100494400. Its totient is φ = 14812447704.

The previous prime is 22221045337. The next prime is 22221045403. The reversal of 22221045369 is 96354012222.

It is not a de Polignac number, because 22221045369 - 25 = 22221045337 is a prime.

It is a super-2 number, since 2×222210453692 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22221041369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39549 + ... + 214490.

It is an arithmetic number, because the mean of its divisors is an integer number (2675041200).

Almost surely, 222221045369 is an apocalyptic number.

It is an amenable number.

22221045369 is a deficient number, since it is larger than the sum of its proper divisors (9879449031).

22221045369 is a wasteful number, since it uses less digits than its factorization.

22221045369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263764 (or 263761 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22221045369 in words is "twenty-two billion, two hundred twenty-one million, forty-five thousand, three hundred sixty-nine".

Divisors: 1 3 9 9719 29157 87471 254039 762117 2286351 2469005041 7407015123 22221045369