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122144222 = 2499122389
BaseRepresentation
bin1110100011111…
…00010111011110
322111211120101002
413101330113132
5222232103342
620041550302
73012131414
oct721742736
9274746332
10122144222
1162a46842
1234aa5392
131c3c7bb5
14123172b4
15aacad32
hex747c5de

122144222 has 8 divisors (see below), whose sum is σ = 183585000. Its totient is φ = 60949224.

The previous prime is 122144203. The next prime is 122144227. The reversal of 122144222 is 222441221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122144194 and 122144203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144227) 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, 60197 + ... + 62192.

It is an arithmetic number, because the mean of its divisors is an integer number (22948125).

Almost surely, 2122144222 is an apocalyptic number.

122144222 is a deficient number, since it is larger than the sum of its proper divisors (61440778).

122144222 is a wasteful number, since it uses less digits than its factorization.

122144222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122890.

The product of its digits is 512, while the sum is 20.

The square root of 122144222 is about 11051.8877120608. The cubic root of 122144222 is about 496.1629250365.

Adding to 122144222 its reverse (222441221), we get a palindrome (344585443).

The spelling of 122144222 in words is "one hundred twenty-two million, one hundred forty-four thousand, two hundred twenty-two".

Divisors: 1 2 499 998 122389 244778 61072111 122144222