222417449 has 2 divisors, whose sum is σ = 222417450. Its totient is φ = 222417448.

The previous prime is 222417431. The next prime is 222417473. The reversal of 222417449 is 944714222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187690000 + 34727449 = 13700^2 + 5893^2 .

It is a cyclic number.

It is not a de Polignac number, because 222417449 - 2⁸ = 222417193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222417499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111208724 + 111208725.

It is an arithmetic number, because the mean of its divisors is an integer number (111208725).

Almost surely, 2^222417449 is an apocalyptic number.

It is an amenable number.

222417449 is a deficient number, since it is larger than the sum of its proper divisors (1).

222417449 is an equidigital number, since it uses as much as digits as its factorization.

222417449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 222417449 is about 14913.6665176609. Note that the first 3 decimals coincide. The cubic root of 222417449 is about 605.8841876592.

The spelling of 222417449 in words is "two hundred twenty-two million, four hundred seventeen thousand, four hundred forty-nine".