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122224219 = 139401863
BaseRepresentation
bin1110100100011…
…11111001011011
322111222122002221
413102033321123
5222242133334
620043404511
73012613555
oct722177133
9274878087
10122224219
1162aa0957
1234b23737
131c425430
14123384d5
15aae48b4
hex748fe5b

122224219 has 4 divisors (see below), whose sum is σ = 131626096. Its totient is φ = 112822344.

The previous prime is 122224217. The next prime is 122224247. The reversal of 122224219 is 912422221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122224219 - 21 = 122224217 is a prime.

It is a super-2 number, since 2×1222242192 = 29877519420319922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122224193 and 122224202.

It is not an unprimeable number, because it can be changed into a prime (122224211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700919 + ... + 4700944.

It is an arithmetic number, because the mean of its divisors is an integer number (32906524).

Almost surely, 2122224219 is an apocalyptic number.

122224219 is a deficient number, since it is larger than the sum of its proper divisors (9401877).

122224219 is an equidigital number, since it uses as much as digits as its factorization.

122224219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401876.

The product of its digits is 1152, while the sum is 25.

The square root of 122224219 is about 11055.5062751554. The cubic root of 122224219 is about 496.2712201946.

The spelling of 122224219 in words is "one hundred twenty-two million, two hundred twenty-four thousand, two hundred nineteen".

Divisors: 1 13 9401863 122224219