22290343 has 2 divisors, whose sum is σ = 22290344. Its totient is φ = 22290342.

The previous prime is 22290341. The next prime is 22290409. The reversal of 22290343 is 34309222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22290343 - 2¹ = 22290341 is a prime.

Together with 22290341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22290341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11145171 + 11145172.

It is an arithmetic number, because the mean of its divisors is an integer number (11145172).

Almost surely, 2^22290343 is an apocalyptic number.

22290343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22290343 is an equidigital number, since it uses as much as digits as its factorization.

22290343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 22290343 is about 4721.2649787954. The cubic root of 22290343 is about 281.4312051695.

Adding to 22290343 its reverse (34309222), we get a palindrome (56599565).

The spelling of 22290343 in words is "twenty-two million, two hundred ninety thousand, three hundred forty-three".