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22246245 = 345721959
BaseRepresentation
bin101010011011…
…1001101100101
31112212020010000
41110313031211
521143334440
62112451513
7360042600
oct124671545
945766100
1022246245
1111614a2a
127549b99
1347bb978
142d51337
151e46730
hex1537365

22246245 has 120 divisors (see below), whose sum is σ = 49658400. Its totient is φ = 9471168.

The previous prime is 22246223. The next prime is 22246247. The reversal of 22246245 is 54264222.

It is a happy number.

It is not a de Polignac number, because 22246245 - 213 = 22238053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246247) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 377026 + ... + 377084.

It is an arithmetic number, because the mean of its divisors is an integer number (413820).

Almost surely, 222246245 is an apocalyptic number.

It is an amenable number.

22246245 is an abundant number, since it is smaller than the sum of its proper divisors (27412155).

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

22246245 is a wasteful number, since it uses less digits than its factorization.

22246245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 93 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22246245 is about 4716.5925200297. The cubic root of 22246245 is about 281.2454932611.

The spelling of 22246245 in words is "twenty-two million, two hundred forty-six thousand, two hundred forty-five".

Divisors: 1 3 5 7 9 15 19 21 27 35 45 49 57 59 63 81 95 105 133 135 147 171 177 189 245 285 295 315 399 405 413 441 513 531 567 665 735 855 885 931 945 1121 1197 1239 1323 1539 1593 1995 2065 2205 2565 2655 2793 2835 2891 3363 3591 3717 3969 4655 4779 5605 5985 6195 6615 7695 7847 7965 8379 8673 10089 10773 11151 13965 14455 16815 17955 18585 19845 23541 23895 25137 26019 30267 33453 39235 41895 43365 50445 53865 54929 55755 70623 75411 78057 90801 117705 125685 130095 151335 164787 167265 211869 234171 274645 353115 377055 390285 454005 494361 635607 823935 1059345 1170855 1483083 2471805 3178035 4449249 7415415 22246245