222490841 has 2 divisors, whose sum is σ = 222490842. Its totient is φ = 222490840.

The previous prime is 222490777. The next prime is 222490859. The reversal of 222490841 is 148094222.

It is a happy number.

222490841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207475216 + 15015625 = 14404^2 + 3875^2 .

It is a cyclic number.

It is not a de Polignac number, because 222490841 - 2⁶ = 222490777 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 222490798 and 222490807.

It is not a weakly prime, because it can be changed into another prime (222495841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111245420 + 111245421.

It is an arithmetic number, because the mean of its divisors is an integer number (111245421).

Almost surely, 2^222490841 is an apocalyptic number.

It is an amenable number.

222490841 is a deficient number, since it is larger than the sum of its proper divisors (1).

222490841 is an equidigital number, since it uses as much as digits as its factorization.

222490841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 222490841 is about 14916.1268766393. The cubic root of 222490841 is about 605.9508223625.

The spelling of 222490841 in words is "two hundred twenty-two million, four hundred ninety thousand, eight hundred forty-one".