422120402200 has 96 divisors (see below), whose sum is σ = 1122736577760. Its totient is φ = 144584755200.

The previous prime is 422120402189. The next prime is 422120402201. The reversal of 422120402200 is 2204021224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422120402201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1281744 + ... + 1577056.

It is an arithmetic number, because the mean of its divisors is an integer number (11695172685).

Almost surely, 2^422120402200 is an apocalyptic number.

422120402200 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 422120402200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561368288880).

422120402200 is an abundant number, since it is smaller than the sum of its proper divisors (700616175560).

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

422120402200 is a wasteful number, since it uses less digits than its factorization.

422120402200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296357 (or 296348 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 422120402200 its reverse (2204021224), we get a palindrome (424324423424).

The spelling of 422120402200 in words is "four hundred twenty-two billion, one hundred twenty million, four hundred two thousand, two hundred".