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22286468 = 22191272309
BaseRepresentation
bin101010100000…
…1000010000100
31112221021021202
41111001002010
521201131333
62113402032
7360301061
oct125010204
945837252
1022286468
1111642176
127569318
134804079
142d61c68
151e535e8
hex1541084

22286468 has 24 divisors (see below), whose sum is σ = 41395200. Its totient is φ = 10469088.

The previous prime is 22286461. The next prime is 22286491. The reversal of 22286468 is 86468222.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (22286461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8498 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (1724800).

Almost surely, 222286468 is an apocalyptic number.

It is an amenable number.

22286468 is a deficient number, since it is larger than the sum of its proper divisors (19108732).

22286468 is a wasteful number, since it uses less digits than its factorization.

22286468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2457 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 22286468 is about 4720.8545836533. The cubic root of 22286468 is about 281.4148960273.

The spelling of 22286468 in words is "twenty-two million, two hundred eighty-six thousand, four hundred sixty-eight".

Divisors: 1 2 4 19 38 76 127 254 508 2309 2413 4618 4826 9236 9652 43871 87742 175484 293243 586486 1172972 5571617 11143234 22286468