| Base | Representation |
|---|---|
| bin | 100100011011010… |
| … | …0001111101100000 |
| 3 | 10011011212221212200 |
| 4 | 1020312201331200 |
| 5 | 10000344120212 |
| 6 | 321141053200 |
| 7 | 42200664000 |
| oct | 11066417540 |
| 9 | 3134787780 |
| 10 | 1222254432 |
| 11 | 577a26933 |
| 12 | 2a13b7200 |
| 13 | 1662b6a99 |
| 14 | b8484000 |
| 15 | 724846dc |
| hex | 48da1f60 |
1222254432 has 144 divisors (see below), whose sum is σ = 4053722400. Its totient is φ = 349187328.
The previous prime is 1222254413. The next prime is 1222254433. The reversal of 1222254432 is 2344522221.
1222254432 is a `hidden beast` number, since 1 + 2 + 2 + 225 + 4 + 432 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a junction number, because it is equal to n+sod(n) for n = 1222254396 and 1222254405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222254433) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92598 + ... + 104970.
It is an arithmetic number, because the mean of its divisors is an integer number (28150850).
Almost surely, 21222254432 is an apocalyptic number.
1222254432 is a gapful number since it is divisible by the number (12) 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 1222254432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026861200).
1222254432 is an abundant number, since it is smaller than the sum of its proper divisors (2831467968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222254432 is a wasteful number, since it uses less digits than its factorization.
1222254432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12410 (or 12385 counting only the distinct ones).
The product of its digits is 7680, while the sum is 27.
The square root of 1222254432 is about 34960.7555982419. The cubic root of 1222254432 is about 1069.1875020950.
Adding to 1222254432 its reverse (2344522221), we get a palindrome (3566776653).
The spelling of 1222254432 in words is "one billion, two hundred twenty-two million, two hundred fifty-four thousand, four hundred thirty-two".
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