22301243 has 4 divisors (see below), whose sum is σ = 22344408. Its totient is φ = 22258080.

The previous prime is 22301239. The next prime is 22301273. The reversal of 22301243 is 34210322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22301243 - 2² = 22301239 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (22301273) 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, 20798 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (5586102).

Almost surely, 2^22301243 is an apocalyptic number.

22301243 is a deficient number, since it is larger than the sum of its proper divisors (43165).

22301243 is an equidigital number, since it uses as much as digits as its factorization.

22301243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43164.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22301243 is about 4722.4191893562. The cubic root of 22301243 is about 281.4770710744.

Adding to 22301243 its reverse (34210322), we get a palindrome (56511565).

The spelling of 22301243 in words is "twenty-two million, three hundred one thousand, two hundred forty-three".