1115542244 has 24 divisors (see below), whose sum is σ = 2091948768. Its totient is φ = 518633600.

The previous prime is 1115542237. The next prime is 1115542367. The reversal of 1115542244 is 4422455111.

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, 93182 + ... + 104469.

It is an arithmetic number, because the mean of its divisors is an integer number (87164532).

Almost surely, 2^1115542244 is an apocalyptic number.

It is an amenable number.

1115542244 is a deficient number, since it is larger than the sum of its proper divisors (976406524).

1115542244 is a wasteful number, since it uses less digits than its factorization.

1115542244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197755 (or 197753 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 1115542244 is about 33399.7341905591. The cubic root of 1115542244 is about 1037.1191984012.

Adding to 1115542244 its reverse (4422455111), we get a palindrome (5537997355).

The spelling of 1115542244 in words is "one billion, one hundred fifteen million, five hundred forty-two thousand, two hundred forty-four".