42228860287 has 2 divisors, whose sum is σ = 42228860288. Its totient is φ = 42228860286.

The previous prime is 42228860173. The next prime is 42228860293. The reversal of 42228860287 is 78206882224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42228860287 is a prime.

It is a super-2 number, since 2×42228860287² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42228860287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42228864287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21114430143 + 21114430144.

It is an arithmetic number, because the mean of its divisors is an integer number (21114430144).

Almost surely, 2^42228860287 is an apocalyptic number.

42228860287 is a deficient number, since it is larger than the sum of its proper divisors (1).

42228860287 is an equidigital number, since it uses as much as digits as its factorization.

42228860287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 42228860287 in words is "forty-two billion, two hundred twenty-eight million, eight hundred sixty thousand, two hundred eighty-seven".