422087000 has 32 divisors (see below), whose sum is σ = 987685920. Its totient is φ = 168834400.

The previous prime is 422086997. The next prime is 422087047. The reversal of 422087000 is 780224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210044 + ... + 212043.

It is an arithmetic number, because the mean of its divisors is an integer number (30865185).

Almost surely, 2^422087000 is an apocalyptic number.

422087000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422087000 is an abundant number, since it is smaller than the sum of its proper divisors (565598920).

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

422087000 is a wasteful number, since it uses less digits than its factorization.

422087000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422108 (or 422094 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 422087000 is about 20544.7560219147. The cubic root of 422087000 is about 750.1256085918.

The spelling of 422087000 in words is "four hundred twenty-two million, eighty-seven thousand".