427443222505 has 32 divisors (see below), whose sum is σ = 581506200576. Its totient is φ = 299254416384.

The previous prime is 427443222419. The next prime is 427443222517. The reversal of 427443222505 is 505222344724.

It is a cyclic number.

It is not a de Polignac number, because 427443222505 - 2⁹ = 427443221993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1096177 + ... + 1434046.

It is an arithmetic number, because the mean of its divisors is an integer number (18172068768).

Almost surely, 2^427443222505 is an apocalyptic number.

It is an amenable number.

427443222505 is a deficient number, since it is larger than the sum of its proper divisors (154062978071).

427443222505 is a wasteful number, since it uses less digits than its factorization.

427443222505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530377.

The product of its (nonzero) digits is 537600, while the sum is 40.

It can be divided in two parts, 42744 and 3222505, that added together give a square (3265249 = 1807²).

The spelling of 427443222505 in words is "four hundred twenty-seven billion, four hundred forty-three million, two hundred twenty-two thousand, five hundred five".