422221200000 has 192 divisors, whose sum is σ = 1401820590240. Its totient is φ = 112592000000.

The previous prime is 422221199993. The next prime is 422221200007. The reversal of 422221200000 is 2122224.

It is an interprime number because it is at equal distance from previous prime (422221199993) and next prime (422221200007).

It is a tau number, because it is divible by the number of its divisors (192).

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

It is not an unprimeable number, because it can be changed into a prime (422221200007) 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, 1024075 + ... + 1375925.

Almost surely, 2^422221200000 is an apocalyptic number.

422221200000 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 422221200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700910295120).

422221200000 is an abundant number, since it is smaller than the sum of its proper divisors (979599390240).

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

422221200000 is an frugal number, since it uses more digits than its factorization.

422221200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351893 (or 351861 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 422221200000 its reverse (2122224), we get a palindrome (422223322224).

The spelling of 422221200000 in words is "four hundred twenty-two billion, two hundred twenty-one million, two hundred thousand".