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2323222220 = 2251147224683
BaseRepresentation
bin1000101001111001…
…1000111011001100
312222220112220202102
42022132120323030
514224221102340
61022310414232
7111400030424
oct21236307314
95886486672
102323222220
11a92442270
1254a061378
132b0416107
14180795484
15d8e5c215
hex8a798ecc

2323222220 has 48 divisors (see below), whose sum is σ = 5435555328. Its totient is φ = 826829760.

The previous prime is 2323222201. The next prime is 2323222259. The reversal of 2323222220 is 222223232.

2323222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×23232222202 = 10794722967003456800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2323222192 and 2323222201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102002 + ... + 122681.

It is an arithmetic number, because the mean of its divisors is an integer number (113240736).

Almost surely, 22323222220 is an apocalyptic number.

2323222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323222220 is an abundant number, since it is smaller than the sum of its proper divisors (3112333108).

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

2323222220 is a wasteful number, since it uses less digits than its factorization.

2323222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224750 (or 224748 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2323222220 is about 48199.8155598131. The cubic root of 2323222220 is about 1324.4337858412.

Adding to 2323222220 its reverse (222223232), we get a palindrome (2545445452).

The spelling of 2323222220 in words is "two billion, three hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 47 55 94 110 188 220 235 470 517 940 1034 2068 2585 5170 10340 224683 449366 898732 1123415 2246830 2471513 4493660 4943026 9886052 10560101 12357565 21120202 24715130 42240404 49430260 52800505 105601010 116161111 211202020 232322222 464644444 580805555 1161611110 2323222220