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122552219 is a prime number
BaseRepresentation
bin1110100110111…
…11111110011011
322112121022001002
413103133332123
5222333132334
620054415215
73015451046
oct723377633
9275538032
10122552219
11631a5329
123506150b
131c50b80a
14123c1c5d
15ab5bb7e
hex74dff9b

122552219 has 2 divisors, whose sum is σ = 122552220. Its totient is φ = 122552218.

The previous prime is 122552197. The next prime is 122552267. The reversal of 122552219 is 912255221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122552219 - 212 = 122548123 is a prime.

It is a super-2 number, since 2×1225522192 = 30038092763647922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122552191 and 122552200.

It is not a weakly prime, because it can be changed into another prime (122552719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61276109 + 61276110.

It is an arithmetic number, because the mean of its divisors is an integer number (61276110).

Almost surely, 2122552219 is an apocalyptic number.

122552219 is a deficient number, since it is larger than the sum of its proper divisors (1).

122552219 is an equidigital number, since it uses as much as digits as its factorization.

122552219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 122552219 is about 11070.3305732033. The cubic root of 122552219 is about 496.7147535882.

The spelling of 122552219 in words is "one hundred twenty-two million, five hundred fifty-two thousand, two hundred nineteen".