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3230222420 = 2252914533833
BaseRepresentation
bin1100000010001001…
…0100100001010100
322100010020022010102
43000202110201110
523103414104140
61252310513232
7143022303035
oct30042244124
98303208112
103230222420
111408415a07
12761965818
133c62c0b19
14229014a8c
1513d8bce15
hexc0894854

3230222420 has 48 divisors (see below), whose sum is σ = 7024041360. Its totient is φ = 1246350336.

The previous prime is 3230222381. The next prime is 3230222423. The reversal of 3230222420 is 242220323.

It can be written as a sum of positive squares in 8 ways, for example, as 35259844 + 3194962576 = 5938^2 + 56524^2 .

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 = 3230222392 and 3230222401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230222423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840824 + ... + 844656.

It is an arithmetic number, because the mean of its divisors is an integer number (146334195).

Almost surely, 23230222420 is an apocalyptic number.

It is an amenable number.

3230222420 is an abundant number, since it is smaller than the sum of its proper divisors (3793818940).

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

3230222420 is a wasteful number, since it uses less digits than its factorization.

3230222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324 (or 5322 counting only the distinct ones).

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

The square root of 3230222420 is about 56835.0457024537. The cubic root of 3230222420 is about 1478.2372518184.

Adding to 3230222420 its reverse (242220323), we get a palindrome (3472442743).

The spelling of 3230222420 in words is "three billion, two hundred thirty million, two hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1453 2906 3833 5812 7265 7666 14530 15332 19165 29060 38330 42137 76660 84274 111157 168548 210685 222314 421370 444628 555785 842740 1111570 2223140 5569349 11138698 22277396 27846745 55693490 111386980 161511121 323022242 646044484 807555605 1615111210 3230222420