422543310381 has 12 divisors (see below), whose sum is σ = 642463513120. Its totient is φ = 266869459080.

The previous prime is 422543310347. The next prime is 422543310473. The reversal of 422543310381 is 183013345224.

422543310381 is a `hidden beast` number, since 4 + 2 + 2 + 543 + 3 + 103 + 8 + 1 = 666.

It is not a de Polignac number, because 422543310381 - 2¹¹ = 422543308333 is a prime.

It is a super-2 number, since 2×422543310381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422543310311) 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 in 11 ways as a sum of consecutive naturals, for example, 1235506585 + ... + 1235506926.

Almost surely, 2^422543310381 is an apocalyptic number.

It is an amenable number.

422543310381 is a deficient number, since it is larger than the sum of its proper divisors (219920202739).

422543310381 is a wasteful number, since it uses less digits than its factorization.

422543310381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471013536 (or 2471013533 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 422543310381 in words is "four hundred twenty-two billion, five hundred forty-three million, three hundred ten thousand, three hundred eighty-one".