1103422144 has 28 divisors (see below), whose sum is σ = 2388659688. Its totient is φ = 501555200.

The previous prime is 1103422141. The next prime is 1103422223. The reversal of 1103422144 is 4412243011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1103422141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782977 + ... + 784384.

Almost surely, 2^1103422144 is an apocalyptic number.

It is an amenable number.

1103422144 is an abundant number, since it is smaller than the sum of its proper divisors (1285237544).

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

1103422144 is a wasteful number, since it uses less digits than its factorization.

1103422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567384 (or 1567374 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1103422144 is about 33217.7986025564. The cubic root of 1103422144 is about 1033.3494955039.

Adding to 1103422144 its reverse (4412243011), we get a palindrome (5515665155).

The spelling of 1103422144 in words is "one billion, one hundred three million, four hundred twenty-two thousand, one hundred forty-four".