Base | Representation |
---|---|
bin | 1110100100011… |
… | …11011101000010 |
3 | 22111222112121122 |
4 | 13102033131002 |
5 | 222242104102 |
6 | 20043352242 |
7 | 3012605351 |
oct | 722173502 |
9 | 274875548 |
10 | 122222402 |
11 | 62a9a555 |
12 | 34b22682 |
13 | 1c424663 |
14 | 12337998 |
15 | aae40a2 |
hex | 748f742 |
122222402 has 16 divisors (see below), whose sum is σ = 193522560. Its totient is φ = 57732912.
The previous prime is 122222389. The next prime is 122222407. The reversal of 122222402 is 204222221.
It is not an unprimeable number, because it can be changed into a prime (122222407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9863 + ... + 18485.
It is an arithmetic number, because the mean of its divisors is an integer number (12095160).
Almost surely, 2122222402 is an apocalyptic number.
122222402 is a deficient number, since it is larger than the sum of its proper divisors (71300158).
122222402 is a wasteful number, since it uses less digits than its factorization.
122222402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9017.
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 122222402 is about 11055.4240986043. The cubic root of 122222402 is about 496.2687609731.
Adding to 122222402 its reverse (204222221), we get a palindrome (326444623).
The spelling of 122222402 in words is "one hundred twenty-two million, two hundred twenty-two thousand, four hundred two".
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