88312222221409 has 2 divisors, whose sum is σ = 88312222221410. Its totient is φ = 88312222221408.

The previous prime is 88312222221383. The next prime is 88312222221479. The reversal of 88312222221409 is 90412222221388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82645099174225 + 5667123047184 = 9090935^2 + 2380572^2 .

It is a cyclic number.

It is not a de Polignac number, because 88312222221409 - 2⁷ = 88312222221281 is a prime.

It is not a weakly prime, because it can be changed into another prime (88312222221479) 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, 44156111110704 + 44156111110705.

It is an arithmetic number, because the mean of its divisors is an integer number (44156111110705).

Almost surely, 2^{88312222221409} is an apocalyptic number.

It is an amenable number.

88312222221409 is a deficient number, since it is larger than the sum of its proper divisors (1).

88312222221409 is an equidigital number, since it uses as much as digits as its factorization.

88312222221409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 88312222221409 in words is "eighty-eight trillion, three hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, four hundred nine".