22840343 has 2 divisors, whose sum is σ = 22840344. Its totient is φ = 22840342.

The previous prime is 22840339. The next prime is 22840369. The reversal of 22840343 is 34304822.

It is an a-pointer prime, because the next prime (22840369) can be obtained adding 22840343 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22840343 - 2² = 22840339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22840303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11420171 + 11420172.

It is an arithmetic number, because the mean of its divisors is an integer number (11420172).

Almost surely, 2^22840343 is an apocalyptic number.

22840343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22840343 is an equidigital number, since it uses as much as digits as its factorization.

22840343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 22840343 is about 4779.1571432628. The cubic root of 22840343 is about 283.7271357566.

The spelling of 22840343 in words is "twenty-two million, eight hundred forty thousand, three hundred forty-three".