222490043 has 2 divisors, whose sum is σ = 222490044. Its totient is φ = 222490042.

The previous prime is 222490039. The next prime is 222490091. The reversal of 222490043 is 340094222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222490043 - 2² = 222490039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 222489994 and 222490021.

It is not a weakly prime, because it can be changed into another prime (222490243) 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, 111245021 + 111245022.

It is an arithmetic number, because the mean of its divisors is an integer number (111245022).

Almost surely, 2^222490043 is an apocalyptic number.

222490043 is a deficient number, since it is larger than the sum of its proper divisors (1).

222490043 is an equidigital number, since it uses as much as digits as its factorization.

222490043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 222490043 is about 14916.1001270439. The cubic root of 222490043 is about 605.9500979142.

The spelling of 222490043 in words is "two hundred twenty-two million, four hundred ninety thousand, forty-three".