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220012222 = 2532075587
BaseRepresentation
bin11010001110100…
…01111010111110
3120022222210000211
431013101322332
5422310342342
633455343034
75311034023
oct1507217276
9508883024
10220012222
11103211491
1261821a7a
1336773161
142131154a
hexd1d1ebe

220012222 has 8 divisors (see below), whose sum is σ = 336245256. Its totient is φ = 107930472.

The previous prime is 220012207. The next prime is 220012297. The reversal of 220012222 is 222210022.

Adding to 220012222 its reverse (222210022), we get a palindrome (442222244).

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

It is a congruent number.

It is an unprimeable number.

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, 1037688 + ... + 1037899.

It is an arithmetic number, because the mean of its divisors is an integer number (42030657).

Almost surely, 2220012222 is an apocalyptic number.

220012222 is a deficient number, since it is larger than the sum of its proper divisors (116233034).

220012222 is a wasteful number, since it uses less digits than its factorization.

220012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075642.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220012222 is about 14832.8089720053. The cubic root of 220012222 is about 603.6922525486.

The spelling of 220012222 in words is "two hundred twenty million, twelve thousand, two hundred twenty-two".