422887257800 has 108 divisors (see below), whose sum is σ = 1143911563155. Its totient is φ = 144967845120.

The previous prime is 422887257797. The next prime is 422887257809. The reversal of 422887257800 is 8752788224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 338163184324 + 84724073476 = 581518^2 + 291074^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459830.

It is not an unprimeable number, because it can be changed into a prime (422887257809) 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 26 ways as a sum of consecutive naturals, for example, 64372916 + ... + 64379484.

Almost surely, 2^422887257800 is an apocalyptic number.

422887257800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422887257800

422887257800 is an abundant number, since it is smaller than the sum of its proper divisors (721024305355).

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

422887257800 is an frugal number, since it uses more digits than its factorization.

422887257800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13168 (or 6583 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 53.

The spelling of 422887257800 in words is "four hundred twenty-two billion, eight hundred eighty-seven million, two hundred fifty-seven thousand, eight hundred".