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222120122 = 2721175193
BaseRepresentation
bin11010011110101…
…00100010111010
3120110221212112012
431033110202322
5423330320442
634012445522
75334663350
oct1517244272
9513855465
10222120122
11104421154
12624798a2
1337030733
14216dd7d0
1514778582
hexd3d48ba

222120122 has 16 divisors (see below), whose sum is σ = 382587072. Its totient is φ = 94741920.

The previous prime is 222120097. The next prime is 222120133. The reversal of 222120122 is 221021222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 222120097 and 222120106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34643 + ... + 40550.

It is an arithmetic number, because the mean of its divisors is an integer number (23911692).

Almost surely, 2222120122 is an apocalyptic number.

222120122 is a deficient number, since it is larger than the sum of its proper divisors (160466950).

222120122 is a wasteful number, since it uses less digits than its factorization.

222120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75413.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 222120122 is about 14903.6949109944. The cubic root of 222120122 is about 605.6140858587.

Adding to 222120122 its reverse (221021222), we get a palindrome (443141344).

The spelling of 222120122 in words is "two hundred twenty-two million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 211 422 1477 2954 75193 150386 526351 1052702 15865723 31731446 111060061 222120122