22268443 has 2 divisors, whose sum is σ = 22268444. Its totient is φ = 22268442.

The previous prime is 22268383. The next prime is 22268461. The reversal of 22268443 is 34486222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22268443 - 2¹⁷ = 22137371 is a prime.

It is not a weakly prime, because it can be changed into another prime (22268483) 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 as a sum of consecutive naturals, namely, 11134221 + 11134222.

It is an arithmetic number, because the mean of its divisors is an integer number (11134222).

Almost surely, 2^22268443 is an apocalyptic number.

22268443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22268443 is an equidigital number, since it uses as much as digits as its factorization.

22268443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 31.

The square root of 22268443 is about 4718.9451151714. The cubic root of 22268443 is about 281.3390073515.

The spelling of 22268443 in words is "twenty-two million, two hundred sixty-eight thousand, four hundred forty-three".