1100144322 has 32 divisors (see below), whose sum is σ = 2496787200. Its totient is φ = 358911504.

The previous prime is 1100144321. The next prime is 1100144329. The reversal of 1100144322 is 2234410011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1100144295 and 1100144304.

It is not an unprimeable number, because it can be changed into a prime (1100144321) 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, 214197 + ... + 219272.

It is an arithmetic number, because the mean of its divisors is an integer number (78024600).

Almost surely, 2^1100144322 is an apocalyptic number.

1100144322 is an abundant number, since it is smaller than the sum of its proper divisors (1396642878).

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

1100144322 is a wasteful number, since it uses less digits than its factorization.

1100144322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433527 (or 433521 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1100144322 is about 33168.4235682072. The cubic root of 1100144322 is about 1032.3252591581.

Adding to 1100144322 its reverse (2234410011), we get a palindrome (3334554333).

The spelling of 1100144322 in words is "one billion, one hundred million, one hundred forty-four thousand, three hundred twenty-two".