1000223832 has 64 divisors (see below), whose sum is σ = 2691122400. Its totient is φ = 308643840.

The previous prime is 1000223831. The next prime is 1000223837. The reversal of 1000223832 is 2383220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000223799 and 1000223808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000223831) 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, 4794 + ... + 44982.

Almost surely, 2^1000223832 is an apocalyptic number.

1000223832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000223832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345561200).

1000223832 is an abundant number, since it is smaller than the sum of its proper divisors (1690898568).

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

1000223832 is a wasteful number, since it uses less digits than its factorization.

1000223832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40276 (or 40272 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1000223832 is about 31626.3154983314. The cubic root of 1000223832 is about 1000.0746051006.

Adding to 1000223832 its reverse (2383220001), we get a palindrome (3383443833).

The spelling of 1000223832 in words is "one billion, two hundred twenty-three thousand, eight hundred thirty-two".