1100222312 has 16 divisors (see below), whose sum is σ = 2357619360. Its totient is φ = 471523824.

The previous prime is 1100222311. The next prime is 1100222317. The reversal of 1100222312 is 2132220011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1100222311) 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, 9823358 + ... + 9823469.

It is an arithmetic number, because the mean of its divisors is an integer number (147351210).

Almost surely, 2^1100222312 is an apocalyptic number.

It is an amenable number.

1100222312 is an abundant number, since it is smaller than the sum of its proper divisors (1257397048).

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

1100222312 is a wasteful number, since it uses less digits than its factorization.

1100222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646840 (or 19646836 counting only the distinct ones).

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

The square root of 1100222312 is about 33169.5992137379. The cubic root of 1100222312 is about 1032.3496526681.

Adding to 1100222312 its reverse (2132220011), we get a palindrome (3232442323).

The spelling of 1100222312 in words is "one billion, one hundred million, two hundred twenty-two thousand, three hundred twelve".