1000223412 has 24 divisors (see below), whose sum is σ = 2334566976. Its totient is φ = 333306048.

The previous prime is 1000223377. The next prime is 1000223417. The reversal of 1000223412 is 2143220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000223391 and 1000223400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000223417) by changing a digit.

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, 35568 + ... + 57144.

It is an arithmetic number, because the mean of its divisors is an integer number (97273624).

Almost surely, 2^1000223412 is an apocalyptic number.

1000223412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000223412 is an abundant number, since it is smaller than the sum of its proper divisors (1334343564).

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

1000223412 is a wasteful number, since it uses less digits than its factorization.

1000223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25447 (or 25445 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1000223412 is about 31626.3088582908. The cubic root of 1000223412 is about 1000.0744651215.

Adding to 1000223412 its reverse (2143220001), we get a palindrome (3143443413).

The spelling of 1000223412 in words is "one billion, two hundred twenty-three thousand, four hundred twelve".