1133222144 has 36 divisors (see below), whose sum is σ = 2360378496. Its totient is φ = 541972992.

The previous prime is 1133222099. The next prime is 1133222147. The reversal of 1133222144 is 4412223311.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1133222147) 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, 90344 + ... + 102119.

Almost surely, 2^1133222144 is an apocalyptic number.

It is an amenable number.

1133222144 is an abundant number, since it is smaller than the sum of its proper divisors (1227156352).

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

1133222144 is an equidigital number, since it uses as much as digits as its factorization.

1133222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192502 (or 192488 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1133222144 is about 33663.3650130227. The cubic root of 1133222144 is about 1042.5695043439.

Adding to 1133222144 its reverse (4412223311), we get a palindrome (5545445455).

The spelling of 1133222144 in words is "one billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred forty-four".