222865080 has 32 divisors (see below), whose sum is σ = 668595600. Its totient is φ = 59430656.

The previous prime is 222865073. The next prime is 222865091. The reversal of 222865080 is 80568222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 928485 + ... + 928724.

Almost surely, 2^222865080 is an apocalyptic number.

222865080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222865080 is an abundant number, since it is smaller than the sum of its proper divisors (445730520).

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

222865080 is a wasteful number, since it uses less digits than its factorization.

222865080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857223 (or 1857219 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 222865080 is about 14928.6663838402. Note that the first 3 decimals coincide. The cubic root of 222865080 is about 606.2903770182.

The spelling of 222865080 in words is "two hundred twenty-two million, eight hundred sixty-five thousand, eighty".