Base | Representation |
---|---|
bin | 1110100100011… |
… | …11011101001000 |
3 | 22111222112121212 |
4 | 13102033131020 |
5 | 222242104113 |
6 | 20043352252 |
7 | 3012605360 |
oct | 722173510 |
9 | 274875555 |
10 | 122222408 |
11 | 62a9a560 |
12 | 34b22688 |
13 | 1c424669 |
14 | 123379a0 |
15 | aae40a8 |
hex | 748f748 |
122222408 has 32 divisors (see below), whose sum is σ = 285716160. Its totient is φ = 47618880.
The previous prime is 122222407. The next prime is 122222411. The reversal of 122222408 is 804222221.
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, 98591 + ... + 99822.
It is an arithmetic number, because the mean of its divisors is an integer number (8928630).
Almost surely, 2122222408 is an apocalyptic number.
It is an amenable number.
122222408 is an abundant number, since it is smaller than the sum of its proper divisors (163493752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122222408 is a wasteful number, since it uses less digits than its factorization.
122222408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198437 (or 198433 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 122222408 is about 11055.4243699643. The cubic root of 122222408 is about 496.2687690939.
Adding to 122222408 its reverse (804222221), we get a palindrome (926444629).
The spelling of 122222408 in words is "one hundred twenty-two million, two hundred twenty-two thousand, four hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •