1000222212 has 48 divisors (see below), whose sum is σ = 2568589632. Its totient is φ = 300410880.

The previous prime is 1000222211. The next prime is 1000222213. The reversal of 1000222212 is 2122220001.

1000222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1000222211) and next prime (1000222213).

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 (1000222211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18613 + ... + 48444.

It is an arithmetic number, because the mean of its divisors is an integer number (53512284).

Almost surely, 2^1000222212 is an apocalyptic number.

1000222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000222212 is an abundant number, since it is smaller than the sum of its proper divisors (1568367420).

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

1000222212 is a wasteful number, since it uses less digits than its factorization.

1000222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67188 (or 67186 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1000222212 is about 31626.2898867382. The cubic root of 1000222212 is about 1000.0740651809.

Adding to 1000222212 its reverse (2122220001), we get a palindrome (3122442213).

The spelling of 1000222212 in words is "one billion, two hundred twenty-two thousand, two hundred twelve".