22340203 has 4 divisors (see below), whose sum is σ = 22885128. Its totient is φ = 21795280.

The previous prime is 22340161. The next prime is 22340249. The reversal of 22340203 is 30204322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30204322 = 2 ⋅15102161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22340203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22340503) 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, 272401 + ... + 272482.

It is an arithmetic number, because the mean of its divisors is an integer number (5721282).

Almost surely, 2^22340203 is an apocalyptic number.

22340203 is a deficient number, since it is larger than the sum of its proper divisors (544925).

22340203 is an equidigital number, since it uses as much as digits as its factorization.

22340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544924.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22340203 is about 4726.5423937589. The cubic root of 22340203 is about 281.6408880547.

Adding to 22340203 its reverse (30204322), we get a palindrome (52544525).

The spelling of 22340203 in words is "twenty-two million, three hundred forty thousand, two hundred three".