422125000 has 112 divisors (see below), whose sum is σ = 1082798640. Its totient is φ = 153000000.

The previous prime is 422124979. The next prime is 422125007. The reversal of 422125000 is 521224.

It is not an unprimeable number, because it can be changed into a prime (422125007) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 1374847 + ... + 1375153.

It is an arithmetic number, because the mean of its divisors is an integer number (9667845).

Almost surely, 2^422125000 is an apocalyptic number.

422125000 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 422125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541399320).

422125000 is an abundant number, since it is smaller than the sum of its proper divisors (660673640).

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

422125000 is an equidigital number, since it uses as much as digits as its factorization.

422125000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 422125000 is about 20545.6808113044. The cubic root of 422125000 is about 750.1481188939.

Adding to 422125000 its reverse (521224), we get a palindrome (422646224).

The spelling of 422125000 in words is "four hundred twenty-two million, one hundred twenty-five thousand".