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30221130222 = 2321739704923
BaseRepresentation
bin11100001001010100…
…011101100111101110
32220000011101111000100
4130021110131213232
5443343102131342
621514451411530
72116623240243
oct341124354756
986004344010
1030221130222
11118a9049488
125a34bb3ba6
132b0813a09a
14166996b5ca
15bbd258e4c
hex70951d9ee

30221130222 has 24 divisors (see below), whose sum is σ = 65857614264. Its totient is φ = 10015479504.

The previous prime is 30221130169. The next prime is 30221130259. The reversal of 30221130222 is 22203112203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30221130195 and 30221130204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4849348 + ... + 4855575.

It is an arithmetic number, because the mean of its divisors is an integer number (2744067261).

Almost surely, 230221130222 is an apocalyptic number.

30221130222 is an abundant number, since it is smaller than the sum of its proper divisors (35636484042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221130222 is a wasteful number, since it uses less digits than its factorization.

30221130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9705104 (or 9705101 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30221130222 its reverse (22203112203), we get a palindrome (52424242425).

The spelling of 30221130222 in words is "thirty billion, two hundred twenty-one million, one hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 173 346 519 1038 1557 3114 9704923 19409846 29114769 58229538 87344307 174688614 1678951679 3357903358 5036855037 10073710074 15110565111 30221130222