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222000422 = 2715857173
BaseRepresentation
bin11010011101101…
…11010100100110
3120110201210022212
431032313110212
5423313003142
634010123422
75333654360
oct1516672446
9513653285
10222000422
1110434a226
1262420572
1336cbb0c7
14216abd30
1514752d82
hexd3b7526

222000422 has 8 divisors (see below), whose sum is σ = 380572176. Its totient is φ = 95143032.

The previous prime is 222000379. The next prime is 222000431. The reversal of 222000422 is 224000222.

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

It is a super-3 number, since 3×2220004223 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 15857173 = 222000422 / (2 + 2 + 2 + 0 + 0 + 0 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 222000397 and 222000406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7928573 + ... + 7928600.

It is an arithmetic number, because the mean of its divisors is an integer number (47571522).

Almost surely, 2222000422 is an apocalyptic number.

222000422 is a deficient number, since it is larger than the sum of its proper divisors (158571754).

222000422 is a wasteful number, since it uses less digits than its factorization.

222000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857182.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 222000422 is about 14899.6785871374. The cubic root of 222000422 is about 605.5052783191.

Adding to 222000422 its reverse (224000222), we get a palindrome (446000644).

The spelling of 222000422 in words is "two hundred twenty-two million, four hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 7 14 15857173 31714346 111000211 222000422