22143343 has 2 divisors, whose sum is σ = 22143344. Its totient is φ = 22143342.

The previous prime is 22143311. The next prime is 22143361. The reversal of 22143343 is 34334122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22143343 - 2⁵ = 22143311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071671 + 11071672.

It is an arithmetic number, because the mean of its divisors is an integer number (11071672).

Almost surely, 2^22143343 is an apocalyptic number.

22143343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143343 is an equidigital number, since it uses as much as digits as its factorization.

22143343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 22143343 is about 4705.6713654908. The cubic root of 22143343 is about 280.8111808426.

Adding to 22143343 its reverse (34334122), we get a palindrome (56477465).

The spelling of 22143343 in words is "twenty-two million, one hundred forty-three thousand, three hundred forty-three".