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122230919 is a prime number
BaseRepresentation
bin1110100100100…
…01100010000111
322111222222022002
413102101202013
5222242342134
620043455515
73012642236
oct722214207
9274888262
10122230919
1162aa5998
1234b2759b
131c4284b5
141233ab1d
15aae687e
hex7491887

122230919 has 2 divisors, whose sum is σ = 122230920. Its totient is φ = 122230918.

The previous prime is 122230883. The next prime is 122230921. The reversal of 122230919 is 919032221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122230919 - 220 = 121182343 is a prime.

It is a super-2 number, since 2×1222309192 = 29880795119169122, which contains 22 as substring.

Together with 122230921, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122230891 and 122230900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122230219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115459 + 61115460.

It is an arithmetic number, because the mean of its divisors is an integer number (61115460).

Almost surely, 2122230919 is an apocalyptic number.

122230919 is a deficient number, since it is larger than the sum of its proper divisors (1).

122230919 is an equidigital number, since it uses as much as digits as its factorization.

122230919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 122230919 is about 11055.8092874289. The cubic root of 122230919 is about 496.2802881094.

The spelling of 122230919 in words is "one hundred twenty-two million, two hundred thirty thousand, nine hundred nineteen".