| Base | Representation |
|---|---|
| bin | 1000010100001100… |
| … | …1101101011111100 |
| 3 | 12202120022010111200 |
| 4 | 2011003031223330 |
| 5 | 14032421242340 |
| 6 | 1005300015500 |
| 7 | 106213330230 |
| oct | 20503155374 |
| 9 | 5676263450 |
| 10 | 2232212220 |
| 11 | a46031097 |
| 12 | 523691590 |
| 13 | 2975cc544 |
| 14 | 1726645c0 |
| 15 | d0e81330 |
| hex | 850cdafc |
2232212220 has 144 divisors (see below), whose sum is σ = 7947645888. Its totient is φ = 496419840.
The previous prime is 2232212197. The next prime is 2232212231. The reversal of 2232212220 is 222122322.
2232212220 is a `hidden beast` number, since 2 + 232 + 212 + 220 = 666.
2232212220 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-3 number, since 3×22322122203 (a number of 29 digits) contains 333 as substring.
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 = 2232212193 and 2232212202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22680 + ... + 70560.
Almost surely, 22232212220 is an apocalyptic number.
2232212220 is a gapful number since it is divisible by the number (20) 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 2232212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3973822944).
2232212220 is an abundant number, since it is smaller than the sum of its proper divisors (5715433668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2232212220 is a wasteful number, since it uses less digits than its factorization.
2232212220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47940 (or 47935 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2232212220 is about 47246.2931879317. The cubic root of 2232212220 is about 1306.9084333578.
Adding to 2232212220 its reverse (222122322), we get a palindrome (2454334542).
The spelling of 2232212220 in words is "two billion, two hundred thirty-two million, two hundred twelve thousand, two hundred twenty".
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