422622200 has 192 divisors, whose sum is σ = 1319915520. Its totient is φ = 121536000.

The previous prime is 422622127. The next prime is 422622203. The reversal of 422622200 is 2226224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422622203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199145 + ... + 201255.

It is an arithmetic number, because the mean of its divisors is an integer number (6874560).

Almost surely, 2^422622200 is an apocalyptic number.

422622200 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 422622200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659957760).

422622200 is an abundant number, since it is smaller than the sum of its proper divisors (897293320).

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

422622200 is a wasteful number, since it uses less digits than its factorization.

422622200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422622200 is about 20557.7771171885. Note that the first 3 decimals coincide. The cubic root of 422622200 is about 750.4425240305.

Adding to 422622200 its reverse (2226224), we get a palindrome (424848424).

The spelling of 422622200 in words is "four hundred twenty-two million, six hundred twenty-two thousand, two hundred".