1002112223 has 8 divisors (see below), whose sum is σ = 1148264448. Its totient is φ = 856708344.

The previous prime is 1002112219. The next prime is 1002112253. The reversal of 1002112223 is 3222112001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002112223 - 2² = 1002112219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002112198 and 1002112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002112253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184211 + ... + 189572.

It is an arithmetic number, because the mean of its divisors is an integer number (143533056).

Almost surely, 2^1002112223 is an apocalyptic number.

1002112223 is a deficient number, since it is larger than the sum of its proper divisors (146152225).

1002112223 is an equidigital number, since it uses as much as digits as its factorization.

1002112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374173.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1002112223 is about 31656.1561627434. The cubic root of 1002112223 is about 1000.7035791936.

Adding to 1002112223 its reverse (3222112001), we get a palindrome (4224224224).

The spelling of 1002112223 in words is "one billion, two million, one hundred twelve thousand, two hundred twenty-three".