Base | Representation |
---|---|
bin | 101010011010… |
… | …1101110001001 |
3 | 1112211220201210 |
4 | 1110311232021 |
5 | 21143141022 |
6 | 2112403333 |
7 | 360016023 |
oct | 124655611 |
9 | 45756653 |
10 | 22240137 |
11 | 11610387 |
12 | 7546549 |
13 | 47b8c5a |
14 | 2d4d013 |
15 | 1e44a0c |
hex | 1535b89 |
22240137 has 4 divisors (see below), whose sum is σ = 29653520. Its totient is φ = 14826756.
The previous prime is 22240133. The next prime is 22240147. The reversal of 22240137 is 73104222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 22240137 - 22 = 22240133 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22240133) 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 3 ways as a sum of consecutive naturals, for example, 3706687 + ... + 3706692.
It is an arithmetic number, because the mean of its divisors is an integer number (7413380).
Almost surely, 222240137 is an apocalyptic number.
It is an amenable number.
22240137 is a deficient number, since it is larger than the sum of its proper divisors (7413383).
22240137 is an equidigital number, since it uses as much as digits as its factorization.
22240137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7413382.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 22240137 is about 4715.9449742337. The cubic root of 22240137 is about 281.2197510184.
Adding to 22240137 its reverse (73104222), we get a palindrome (95344359).
The spelling of 22240137 in words is "twenty-two million, two hundred forty thousand, one hundred thirty-seven".
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