2229943 has 2 divisors, whose sum is σ = 2229944. Its totient is φ = 2229942.

The previous prime is 2229917. The next prime is 2229959. The reversal of 2229943 is 3499222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2229943 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 2²¹ + 9³ + 9³ + 4² + 3⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2229043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114971 + 1114972.

It is an arithmetic number, because the mean of its divisors is an integer number (1114972).

2^2229943 is an apocalyptic number.

2229943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229943 is an equidigital number, since it uses as much as digits as its factorization.

2229943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 2229943 is about 1493.2993671732. The cubic root of 2229943 is about 130.6465424663.

The spelling of 2229943 in words is "two million, two hundred twenty-nine thousand, nine hundred forty-three".