222042043 has 2 divisors, whose sum is σ = 222042044. Its totient is φ = 222042042.

The previous prime is 222042001. The next prime is 222042059. The reversal of 222042043 is 340240222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222042043 is a prime.

It is a super-2 number, since 2×222042043² = 98605337719227698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222042043.

It is not a weakly prime, because it can be changed into another prime (222042343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111021021 + 111021022.

It is an arithmetic number, because the mean of its divisors is an integer number (111021022).

Almost surely, 2^222042043 is an apocalyptic number.

222042043 is a deficient number, since it is larger than the sum of its proper divisors (1).

222042043 is an equidigital number, since it uses as much as digits as its factorization.

222042043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 222042043 is about 14901.0752296604. The cubic root of 222042043 is about 605.5431163259.

Adding to 222042043 its reverse (340240222), we get a palindrome (562282265).

The spelling of 222042043 in words is "two hundred twenty-two million, forty-two thousand, forty-three".