222880000 has 180 divisors, whose sum is σ = 638545600. Its totient is φ = 76032000.

The previous prime is 222879997. The next prime is 222880019. The reversal of 222880000 is 88222.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1119901 + ... + 1120099.

Almost surely, 2^222880000 is an apocalyptic number.

222880000 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 222880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319272800).

222880000 is an abundant number, since it is smaller than the sum of its proper divisors (415665600).

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

222880000 is an frugal number, since it uses more digits than its factorization.

222880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 222880000 is about 14929.1660852172. The cubic root of 222880000 is about 606.3039063555.

It can be divided in two parts, 2228 and 80000, that added together give a palindrome (82228).

The spelling of 222880000 in words is "two hundred twenty-two million, eight hundred eighty thousand".