42224202240449 has 2 divisors, whose sum is σ = 42224202240450. Its totient is φ = 42224202240448.

The previous prime is 42224202240293. The next prime is 42224202240463. The reversal of 42224202240449 is 94404220242224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41820795610000 + 403406630449 = 6466900^2 + 635143^2 .

It is a cyclic number.

It is not a de Polignac number, because 42224202240449 - 2¹² = 42224202236353 is a prime.

It is not a weakly prime, because it can be changed into another prime (42224202240499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21112101120224 + 21112101120225.

It is an arithmetic number, because the mean of its divisors is an integer number (21112101120225).

Almost surely, 2^{42224202240449} is an apocalyptic number.

It is an amenable number.

42224202240449 is a deficient number, since it is larger than the sum of its proper divisors (1).

42224202240449 is an equidigital number, since it uses as much as digits as its factorization.

42224202240449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 589824, while the sum is 41.

The spelling of 42224202240449 in words is "forty-two trillion, two hundred twenty-four billion, two hundred two million, two hundred forty thousand, four hundred forty-nine".