422999200 has 144 divisors (see below), whose sum is σ = 1127037240. Its totient is φ = 154091520.

The previous prime is 422999197. The next prime is 422999237. The reversal of 422999200 is 2999224.

It can be written as a sum of positive squares in 12 ways, for example, as 3732624 + 419266576 = 1932^2 + 20476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422999200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 925372 + ... + 925828.

Almost surely, 2^422999200 is an apocalyptic number.

422999200 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 422999200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563518620).

422999200 is an abundant number, since it is smaller than the sum of its proper divisors (704038040).

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

422999200 is a wasteful number, since it uses less digits than its factorization.

422999200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 422999200 is about 20566.9443525284. The cubic root of 422999200 is about 750.6656017170.

The spelling of 422999200 in words is "four hundred twenty-two million, nine hundred ninety-nine thousand, two hundred".