| Base | Representation |
|---|---|
| bin | 101010011000111… |
| … | …1001001000100100 |
| 3 | 10200010102122021100 |
| 4 | 1110301321020210 |
| 5 | 10403111141340 |
| 6 | 353050120100 |
| 7 | 50150622243 |
| oct | 12461711044 |
| 9 | 3603378240 |
| 10 | 1422365220 |
| 11 | 66a985051 |
| 12 | 338420030 |
| 13 | 1988ac633 |
| 14 | d6c9495a |
| 15 | 84d11830 |
| hex | 54c79224 |
1422365220 has 36 divisors (see below), whose sum is σ = 4314508380. Its totient is φ = 379297344.
The previous prime is 1422365201. The next prime is 1422365227. The reversal of 1422365220 is 225632241.
It is a happy number.
1422365220 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 3 + 652 + 2 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1106094564 + 316270656 = 33258^2 + 17784^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (1422365227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3950835 + ... + 3951194.
It is an arithmetic number, because the mean of its divisors is an integer number (119847455).
Almost surely, 21422365220 is an apocalyptic number.
1422365220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1422365220 is an abundant number, since it is smaller than the sum of its proper divisors (2892143160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1422365220 is a wasteful number, since it uses less digits than its factorization.
1422365220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7902044 (or 7902039 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 1422365220 is about 37714.2575162232. The cubic root of 1422365220 is about 1124.6145761174.
Adding to 1422365220 its reverse (225632241), we get a palindrome (1647997461).
It can be divided in two parts, 142236 and 5220, that added together give a square (147456 = 3842).
The spelling of 1422365220 in words is "one billion, four hundred twenty-two million, three hundred sixty-five thousand, two hundred twenty".
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