422817800 has 24 divisors (see below), whose sum is σ = 983051850. Its totient is φ = 169127040.

The previous prime is 422817797. The next prime is 422817803. The reversal of 422817800 is 8718224.

It is an interprime number because it is at equal distance from previous prime (422817797) and next prime (422817803).

It can be written as a sum of positive squares in 3 ways, for example, as 290429764 + 132388036 = 17042^2 + 11506^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (422817803) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1056845 + ... + 1057244.

Almost surely, 2^422817800 is an apocalyptic number.

422817800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422817800 is an abundant number, since it is smaller than the sum of its proper divisors (560234050).

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

422817800 is a wasteful number, since it uses less digits than its factorization.

422817800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114105 (or 2114096 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 422817800 is about 20562.5338905496. The cubic root of 422817800 is about 750.5582806235.

The spelling of 422817800 in words is "four hundred twenty-two million, eight hundred seventeen thousand, eight hundred".