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22286745 = 355131783
BaseRepresentation
bin101010100000…
…1000110011001
31112221021200000
41111001012121
521201133440
62113403213
7360301635
oct125010631
945837600
1022286745
11116423a8
127569509
134804230
142d61dc5
151e53730
hex1541199

22286745 has 96 divisors (see below), whose sum is σ = 46230912. Its totient is φ = 10202112.

The previous prime is 22286743. The next prime is 22286801. The reversal of 22286745 is 54768222.

It is not a de Polignac number, because 22286745 - 21 = 22286743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22286741) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 268474 + ... + 268556.

It is an arithmetic number, because the mean of its divisors is an integer number (481572).

Almost surely, 222286745 is an apocalyptic number.

It is an amenable number.

22286745 is an abundant number, since it is smaller than the sum of its proper divisors (23944167).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22286745 is a wasteful number, since it uses less digits than its factorization.

22286745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 121 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22286745 is about 4720.8839214706. The cubic root of 22286745 is about 281.4160619307.

The spelling of 22286745 in words is "twenty-two million, two hundred eighty-six thousand, seven hundred forty-five".

Divisors: 1 3 5 9 13 15 17 27 39 45 51 65 81 83 85 117 135 153 195 221 243 249 255 351 405 415 459 585 663 747 765 1053 1079 1105 1215 1245 1377 1411 1755 1989 2241 2295 3159 3237 3315 3735 4131 4233 5265 5395 5967 6723 6885 7055 9711 9945 11205 12699 15795 16185 17901 18343 20169 20655 21165 29133 29835 33615 38097 48555 53703 55029 63495 87399 89505 91715 100845 114291 145665 165087 190485 262197 268515 275145 342873 436995 495261 571455 825435 1310985 1485783 1714365 2476305 4457349 7428915 22286745