422555448 has 64 divisors (see below), whose sum is σ = 1259804160. Its totient is φ = 115479936.

The previous prime is 422555447. The next prime is 422555461. The reversal of 422555448 is 844555224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422555443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50815 + ... + 58542.

It is an arithmetic number, because the mean of its divisors is an integer number (19684440).

Almost surely, 2^422555448 is an apocalyptic number.

It is an amenable number.

422555448 is an abundant number, since it is smaller than the sum of its proper divisors (837248712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422555448 is a wasteful number, since it uses less digits than its factorization.

422555448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109396 (or 109392 counting only the distinct ones).

The product of its digits is 256000, while the sum is 39.

The square root of 422555448 is about 20556.1535312422. The cubic root of 422555448 is about 750.4030118476.

The spelling of 422555448 in words is "four hundred twenty-two million, five hundred fifty-five thousand, four hundred forty-eight".