1100223212 has 12 divisors (see below), whose sum is σ = 2100426216. Its totient is φ = 500101440.

The previous prime is 1100223203. The next prime is 1100223217. The reversal of 1100223212 is 2123220011.

It is a happy number.

It is a super-2 number, since 2×1100223212² = 2420982232447193888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100223217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12502493 + ... + 12502580.

It is an arithmetic number, because the mean of its divisors is an integer number (175035518).

Almost surely, 2^1100223212 is an apocalyptic number.

It is an amenable number.

1100223212 is a deficient number, since it is larger than the sum of its proper divisors (1000203004).

1100223212 is a wasteful number, since it uses less digits than its factorization.

1100223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005088 (or 25005086 counting only the distinct ones).

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

The square root of 1100223212 is about 33169.6127803748. The cubic root of 1100223212 is about 1032.3499341611.

Adding to 1100223212 its reverse (2123220011), we get a palindrome (3223443223).

The spelling of 1100223212 in words is "one billion, one hundred million, two hundred twenty-three thousand, two hundred twelve".