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22208097 = 39477817
BaseRepresentation
bin101010010110…
…1111001100001
31112210021210010
41110231321201
521141124342
62111555133
7356523432
oct124557141
945707703
1022208097
11115992aa
12752baa9
1347a74b2
142d41489
151e3a29c
hex152de61

22208097 has 8 divisors (see below), whose sum is σ = 29645856. Its totient is φ = 14787872.

The previous prime is 22208083. The next prime is 22208129. The reversal of 22208097 is 79080222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22208097 - 211 = 22206049 is a prime.

It is a super-2 number, since 2×222080972 = 986399144722818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22208027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (3705732).

Almost surely, 222208097 is an apocalyptic number.

It is an amenable number.

22208097 is a deficient number, since it is larger than the sum of its proper divisors (7437759).

22208097 is an equidigital number, since it uses as much as digits as its factorization.

22208097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 22208097 is about 4712.5467636937. The cubic root of 22208097 is about 281.0846407724.

The spelling of 22208097 in words is "twenty-two million, two hundred eight thousand, ninety-seven".

Divisors: 1 3 947 2841 7817 23451 7402699 22208097