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122211097 = 196432163
BaseRepresentation
bin1110100100011…
…00101100011001
322111221222002221
413102030230121
5222241223342
620043224041
73012530401
oct722145431
9274858087
10122211097
1162a92008
1234b18021
131c41c478
1412333801
15aae0a67
hex748cb19

122211097 has 4 divisors (see below), whose sum is σ = 128643280. Its totient is φ = 115778916.

The previous prime is 122211091. The next prime is 122211157. The reversal of 122211097 is 790112221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122211097 - 211 = 122209049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122211091) 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 3 ways as a sum of consecutive naturals, for example, 3216063 + ... + 3216100.

It is an arithmetic number, because the mean of its divisors is an integer number (32160820).

Almost surely, 2122211097 is an apocalyptic number.

It is an amenable number.

122211097 is a deficient number, since it is larger than the sum of its proper divisors (6432183).

122211097 is an equidigital number, since it uses as much as digits as its factorization.

122211097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432182.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 122211097 is about 11054.9127992943. The cubic root of 122211097 is about 496.2534596556.

The spelling of 122211097 in words is "one hundred twenty-two million, two hundred eleven thousand, ninety-seven".

Divisors: 1 19 6432163 122211097