Base | Representation |
---|---|
bin | 100100011111011… |
… | …0111100011010110 |
3 | 10011022222222221110 |
4 | 1020332313203112 |
5 | 10001424040042 |
6 | 321255555450 |
7 | 42225365661 |
oct | 11076674326 |
9 | 3138888843 |
10 | 1224440022 |
11 | 579189a03 |
12 | 2a208bb86 |
13 | 1668a0830 |
14 | b88926d8 |
15 | 7276709c |
hex | 48fb78d6 |
1224440022 has 32 divisors (see below), whose sum is σ = 2651856480. Its totient is φ = 374664960.
The previous prime is 1224440003. The next prime is 1224440051. The reversal of 1224440022 is 2200444221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29247 + ... + 57482.
It is an arithmetic number, because the mean of its divisors is an integer number (82870515).
Almost surely, 21224440022 is an apocalyptic number.
1224440022 is an abundant number, since it is smaller than the sum of its proper divisors (1427416458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224440022 is a wasteful number, since it uses less digits than its factorization.
1224440022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86928.
The product of its (nonzero) digits is 1024, while the sum is 21.
The square root of 1224440022 is about 34991.9993998628. Note that the first 3 decimals coincide. The cubic root of 1224440022 is about 1069.8244164097.
Adding to 1224440022 its reverse (2200444221), we get a palindrome (3424884243).
The spelling of 1224440022 in words is "one billion, two hundred twenty-four million, four hundred forty thousand, twenty-two".
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