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330122221 = 11132937879
BaseRepresentation
bin10011101011010…
…100001111101101
3212000011221112221
4103223110033231
51134002402341
652431355341
711115664312
oct2353241755
9760157487
10330122221
1115a388790
1292682b51
13535165c0
1431bb4d09
151deaded1
hex13ad43ed

330122221 has 16 divisors (see below), whose sum is σ = 389208960. Its totient is φ = 276045120.

The previous prime is 330122189. The next prime is 330122249. The reversal of 330122221 is 122221033.

It is not a de Polignac number, because 330122221 - 25 = 330122189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330122195 and 330122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330122281) 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 15 ways as a sum of consecutive naturals, for example, 37960 + ... + 45838.

It is an arithmetic number, because the mean of its divisors is an integer number (24325560).

Almost surely, 2330122221 is an apocalyptic number.

It is an amenable number.

330122221 is a deficient number, since it is larger than the sum of its proper divisors (59086739).

330122221 is a wasteful number, since it uses less digits than its factorization.

330122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 330122221 is about 18169.2658354706. The cubic root of 330122221 is about 691.1276254848.

Adding to 330122221 its reverse (122221033), we get a palindrome (452343254).

The spelling of 330122221 in words is "three hundred thirty million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 13 143 293 3223 3809 7879 41899 86669 102427 1126697 2308547 25394017 30011111 330122221