22204202240447 has 2 divisors, whose sum is σ = 22204202240448. Its totient is φ = 22204202240446.

The previous prime is 22204202240419. The next prime is 22204202240489. The reversal of 22204202240447 is 74404220240222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22204202240447 - 2¹² = 22204202236351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22204202240047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102101120223 + 11102101120224.

It is an arithmetic number, because the mean of its divisors is an integer number (11102101120224).

Almost surely, 2^{22204202240447} is an apocalyptic number.

22204202240447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204202240447 is an equidigital number, since it uses as much as digits as its factorization.

22204202240447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114688, while the sum is 35.

Adding to 22204202240447 its reverse (74404220240222), we get a palindrome (96608422480669).

The spelling of 22204202240447 in words is "twenty-two trillion, two hundred four billion, two hundred two million, two hundred forty thousand, four hundred forty-seven".