222425000 has 192 divisors, whose sum is σ = 629959680. Its totient is φ = 72000000.

The previous prime is 222424997. The next prime is 222425011. The reversal of 222425000 is 524222.

It is a self number, because there is not a number n which added to its sum of digits gives 222425000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5424980 + ... + 5425020.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 2^222425000 is an apocalyptic number.

222425000 is a gapful number since it is divisible by the number (20) 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 222425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314979840).

222425000 is an abundant number, since it is smaller than the sum of its proper divisors (407534680).

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

222425000 is an equidigital number, since it uses as much as digits as its factorization.

222425000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 222425000 is about 14913.9196725743. The cubic root of 222425000 is about 605.8910441053.

Adding to 222425000 its reverse (524222), we get a palindrome (222949222).

The spelling of 222425000 in words is "two hundred twenty-two million, four hundred twenty-five thousand".