1133224144 has 80 divisors (see below), whose sum is σ = 2542337280. Its totient is φ = 484876800.

The previous prime is 1133224139. The next prime is 1133224153. The reversal of 1133224144 is 4414223311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182694 + ... + 188794.

It is an arithmetic number, because the mean of its divisors is an integer number (31779216).

Almost surely, 2^1133224144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133224144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271168640).

1133224144 is an abundant number, since it is smaller than the sum of its proper divisors (1409113136).

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

1133224144 is a wasteful number, since it uses less digits than its factorization.

1133224144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188 (or 6182 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1133224144 is about 33663.3947188931. The cubic root of 1133224144 is about 1042.5701176799.

Adding to 1133224144 its reverse (4414223311), we get a palindrome (5547447455).

The spelling of 1133224144 in words is "one billion, one hundred thirty-three million, two hundred twenty-four thousand, one hundred forty-four".