1103221444 has 24 divisors (see below), whose sum is σ = 2080463168. Its totient is φ = 508857120.

The previous prime is 1103221439. The next prime is 1103221499. The reversal of 1103221444 is 4441223011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89419 + ... + 101005.

Almost surely, 2^1103221444 is an apocalyptic number.

It is an amenable number.

1103221444 is a deficient number, since it is larger than the sum of its proper divisors (977241724).

1103221444 is a wasteful number, since it uses less digits than its factorization.

1103221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435 (or 13433 counting only the distinct ones).

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

The square root of 1103221444 is about 33214.7774943624. Note that the first 3 decimals coincide. The cubic root of 1103221444 is about 1033.2868401789.

Adding to 1103221444 its reverse (4441223011), we get a palindrome (5544444455).

The spelling of 1103221444 in words is "one billion, one hundred three million, two hundred twenty-one thousand, four hundred forty-four".