422220300 has 72 divisors (see below), whose sum is σ = 1230660816. Its totient is φ = 111759360.

The previous prime is 422220287. The next prime is 422220373. The reversal of 422220300 is 3022224.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 422220300.

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 23 ways as a sum of consecutive naturals, for example, 35964 + ... + 46236.

Almost surely, 2^422220300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615330408).

422220300 is an abundant number, since it is smaller than the sum of its proper divisors (808440516).

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

422220300 is a wasteful number, since it uses less digits than its factorization.

422220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427 (or 10420 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 422220300 is about 20547.9999026669. Note that the first 4 decimals coincide. The cubic root of 422220300 is about 750.2045664206.

Adding to 422220300 its reverse (3022224), we get a palindrome (425242524).

The spelling of 422220300 in words is "four hundred twenty-two million, two hundred twenty thousand, three hundred".