222404303520409 has 2 divisors, whose sum is σ = 222404303520410. Its totient is φ = 222404303520408.

The previous prime is 222404303520383. The next prime is 222404303520467. The reversal of 222404303520409 is 904025303404222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203064010502809 + 19340293017600 = 14250053^2 + 4397760^2 .

It is a cyclic number.

It is not a de Polignac number, because 222404303520409 - 2¹³ = 222404303512217 is a prime.

It is a super-3 number, since 3×222404303520409³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (222404303520109) 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, 111202151760204 + 111202151760205.

It is an arithmetic number, because the mean of its divisors is an integer number (111202151760205).

Almost surely, 2^{222404303520409} is an apocalyptic number.

It is an amenable number.

222404303520409 is a deficient number, since it is larger than the sum of its proper divisors (1).

222404303520409 is an equidigital number, since it uses as much as digits as its factorization.

222404303520409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 222404303520409 in words is "two hundred twenty-two trillion, four hundred four billion, three hundred three million, five hundred twenty thousand, four hundred nine".