222003012 has 48 divisors (see below), whose sum is σ = 645829632. Its totient is φ = 57662880.

The previous prime is 222002999. The next prime is 222003031. The reversal of 222003012 is 210300222.

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

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 15 ways as a sum of consecutive naturals, for example, 119208 + ... + 121055.

It is an arithmetic number, because the mean of its divisors is an integer number (13454784).

Almost surely, 2^222003012 is an apocalyptic number.

222003012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222003012 is an abundant number, since it is smaller than the sum of its proper divisors (423826620).

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

222003012 is a wasteful number, since it uses less digits than its factorization.

222003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240288 (or 240286 counting only the distinct ones).

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

The square root of 222003012 is about 14899.7655015104. The cubic root of 222003012 is about 605.5076330482.

Adding to 222003012 its reverse (210300222), we get a palindrome (432303234).

The spelling of 222003012 in words is "two hundred twenty-two million, three thousand, twelve".