222280012 has 24 divisors (see below), whose sum is σ = 423586800. Its totient is φ = 101658816.

The previous prime is 222280007. The next prime is 222280021. The reversal of 222280012 is 210082222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48223 + ... + 52630.

It is an arithmetic number, because the mean of its divisors is an integer number (17649450).

Almost surely, 2^222280012 is an apocalyptic number.

It is an amenable number.

222280012 is a deficient number, since it is larger than the sum of its proper divisors (201306788).

222280012 is a wasteful number, since it uses less digits than its factorization.

222280012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100905 (or 100903 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 222280012 is about 14909.0580520702. The cubic root of 222280012 is about 605.7593652242.

The spelling of 222280012 in words is "two hundred twenty-two million, two hundred eighty thousand, twelve".