1100223312 has 40 divisors (see below), whose sum is σ = 2851249056. Its totient is φ = 365579136.

The previous prime is 1100223307. The next prime is 1100223317. The reversal of 1100223312 is 2133220011.

It is an interprime number because it is at equal distance from previous prime (1100223307) and next prime (1100223317).

It is a junction number, because it is equal to n+sod(n) for n = 1100223291 and 1100223300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100223317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20938 + ... + 51369.

Almost surely, 2^1100223312 is an apocalyptic number.

1100223312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100223312 is an abundant number, since it is smaller than the sum of its proper divisors (1751025744).

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

1100223312 is a wasteful number, since it uses less digits than its factorization.

1100223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72635 (or 72629 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1100223312 is about 33169.6142877785. The cubic root of 1100223312 is about 1032.3499654380.

Adding to 1100223312 its reverse (2133220011), we get a palindrome (3233443323).

The spelling of 1100223312 in words is "one billion, one hundred million, two hundred twenty-three thousand, three hundred twelve".