422328973550 has 24 divisors (see below), whose sum is σ = 856943881992. Its totient is φ = 153574172000.

The previous prime is 422328973531. The next prime is 422328973553. The reversal of 422328973550 is 55379823224.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422328973553) 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, 383934881 + ... + 383935980.

It is an arithmetic number, because the mean of its divisors is an integer number (35705995083).

Almost surely, 2^422328973550 is an apocalyptic number.

422328973550 is an abundant number, since it is smaller than the sum of its proper divisors (434614908442).

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

422328973550 is a wasteful number, since it uses less digits than its factorization.

422328973550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767870884 (or 767870879 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 422328973550 in words is "four hundred twenty-two billion, three hundred twenty-eight million, nine hundred seventy-three thousand, five hundred fifty".