| Base | Representation |
|---|---|
| bin | 1100000000001100… |
| … | …0010010001111000 |
| 3 | 22022112210122020000 |
| 4 | 3000003002101320 |
| 5 | 23044314134430 |
| 6 | 1251415033000 |
| 7 | 142562504634 |
| oct | 30003022170 |
| 9 | 8275718200 |
| 10 | 3222021240 |
| 11 | 1403824279 |
| 12 | 75b06b760 |
| 13 | 3c46abc59 |
| 14 | 227cbbdc4 |
| 15 | 13ccece60 |
| hex | c00c2478 |
3222021240 has 160 divisors (see below), whose sum is σ = 11300683680. Its totient is φ = 821829888.
The previous prime is 3222021233. The next prime is 3222021247. The reversal of 3222021240 is 421202223.
It is an interprime number because it is at equal distance from previous prime (3222021233) and next prime (3222021247).
It is a super-3 number, since 3×32220212403 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3222021247) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52902 + ... + 96138.
It is an arithmetic number, because the mean of its divisors is an integer number (70629273).
Almost surely, 23222021240 is an apocalyptic number.
3222021240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3222021240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5650341840).
3222021240 is an abundant number, since it is smaller than the sum of its proper divisors (8078662440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3222021240 is a wasteful number, since it uses less digits than its factorization.
3222021240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43283 (or 43270 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 3222021240 is about 56762.8508797788. The cubic root of 3222021240 is about 1476.9851642319.
Adding to 3222021240 its reverse (421202223), we get a palindrome (3643223463).
The spelling of 3222021240 in words is "three billion, two hundred twenty-two million, twenty-one thousand, two hundred forty".
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