442279585229 has 2 divisors, whose sum is σ = 442279585230. Its totient is φ = 442279585228.

The previous prime is 442279585217. The next prime is 442279585273. The reversal of 442279585229 is 922585972244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417639062500 + 24640522729 = 646250^2 + 156973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442279585229 is a prime.

It is a super-2 number, since 2×442279585229² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442279585129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221139792614 + 221139792615.

It is an arithmetic number, because the mean of its divisors is an integer number (221139792615).

Almost surely, 2^442279585229 is an apocalyptic number.

It is an amenable number.

442279585229 is a deficient number, since it is larger than the sum of its proper divisors (1).

442279585229 is an equidigital number, since it uses as much as digits as its factorization.

442279585229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29030400, while the sum is 59.

The spelling of 442279585229 in words is "four hundred forty-two billion, two hundred seventy-nine million, five hundred eighty-five thousand, two hundred twenty-nine".