422255136646 has 16 divisors (see below), whose sum is σ = 723899980800. Its totient is φ = 180957979080.

The previous prime is 422255136629. The next prime is 422255136679. The reversal of 422255136646 is 646631552224.

It is a junction number, because it is equal to n+sod(n) for n = 422255136596 and 422255136605.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 395820 + ... + 1000591.

It is an arithmetic number, because the mean of its divisors is an integer number (45243748800).

Almost surely, 2^422255136646 is an apocalyptic number.

422255136646 is a deficient number, since it is larger than the sum of its proper divisors (301644844154).

422255136646 is a wasteful number, since it uses less digits than its factorization.

422255136646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418019.

The product of its digits is 2073600, while the sum is 46.

The spelling of 422255136646 in words is "four hundred twenty-two billion, two hundred fifty-five million, one hundred thirty-six thousand, six hundred forty-six".