Search a number
-
+
22435001 = 66133941
BaseRepresentation
bin101010110010…
…1010010111001
31120012211000222
41111211102321
521220410001
62120505425
7361460111
oct125452271
946184028
1022435001
1111733826
12761b275
134856864
142da0041
151e8261b
hex15654b9

22435001 has 4 divisors (see below), whose sum is σ = 22469604. Its totient is φ = 22400400.

The previous prime is 22434989. The next prime is 22435003. The reversal of 22435001 is 10053422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10053422 = 25026711.

It can be written as a sum of positive squares in 2 ways, for example, as 14622976 + 7812025 = 3824^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 22435001 - 210 = 22433977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22435003) 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, 16310 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (5617401).

Almost surely, 222435001 is an apocalyptic number.

It is an amenable number.

22435001 is a deficient number, since it is larger than the sum of its proper divisors (34603).

22435001 is an equidigital number, since it uses as much as digits as its factorization.

22435001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34602.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22435001 is about 4736.5600386779. The cubic root of 22435001 is about 282.0386957949.

Adding to 22435001 its reverse (10053422), we get a palindrome (32488423).

The spelling of 22435001 in words is "twenty-two million, four hundred thirty-five thousand, one".

Divisors: 1 661 33941 22435001