222300012 has 24 divisors (see below), whose sum is σ = 565854912. Its totient is φ = 67363600.

The previous prime is 222300011. The next prime is 222300047. The reversal of 222300012 is 210003222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (222300011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841914 + ... + 842177.

It is an arithmetic number, because the mean of its divisors is an integer number (23577288).

Almost surely, 2^222300012 is an apocalyptic number.

222300012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222300012 is an abundant number, since it is smaller than the sum of its proper divisors (343554900).

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

222300012 is a wasteful number, since it uses less digits than its factorization.

222300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684109 (or 1684107 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 222300012 is about 14909.7287701688. The cubic root of 222300012 is about 605.7775327357. Note that the first 3 decimals are identical.

Adding to 222300012 its reverse (210003222), we get a palindrome (432303234).

The spelling of 222300012 in words is "two hundred twenty-two million, three hundred thousand, twelve".