Base | Representation |
---|---|
bin | 10100110111010001… |
… | …010110100011101001 |
3 | 2010211020120020011001 |
4 | 110313101112203221 |
5 | 331334421212301 |
6 | 14142535235001 |
7 | 1422100660531 |
oct | 246721264351 |
9 | 63736506131 |
10 | 22402132201 |
11 | 9556468549 |
12 | 4412518a61 |
13 | 216025bc37 |
14 | 112733c4c1 |
15 | 8b1ab3c01 |
hex | 5374568e9 |
22402132201 has 4 divisors (see below), whose sum is σ = 22438677892. Its totient is φ = 22365586512.
The previous prime is 22402132199. The next prime is 22402132213. The reversal of 22402132201 is 10223120422.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10223120422 = 2 ⋅5111560211.
It can be written as a sum of positive squares in 2 ways, for example, as 4419590400 + 17982541801 = 66480^2 + 134099^2 .
It is a cyclic number.
It is not a de Polignac number, because 22402132201 - 21 = 22402132199 is a prime.
It is a super-2 number, since 2×224021322012 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22402132301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18271926 + ... + 18273151.
It is an arithmetic number, because the mean of its divisors is an integer number (5609669473).
Almost surely, 222402132201 is an apocalyptic number.
It is an amenable number.
22402132201 is a deficient number, since it is larger than the sum of its proper divisors (36545691).
22402132201 is an equidigital number, since it uses as much as digits as its factorization.
22402132201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36545690.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 22402132201 its reverse (10223120422), we get a palindrome (32625252623).
The spelling of 22402132201 in words is "twenty-two billion, four hundred two million, one hundred thirty-two thousand, two hundred one".
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