1131411222 has 24 divisors (see below), whose sum is σ = 2452221720. Its totient is φ = 377009280.

The previous prime is 1131411187. The next prime is 1131411233. The reversal of 1131411222 is 2221141311.

1131411222 is a `hidden beast` number, since 1 + 1 + 31 + 411 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1131411195 and 1131411204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54822 + ... + 72582.

It is an arithmetic number, because the mean of its divisors is an integer number (102175905).

Almost surely, 2^1131411222 is an apocalyptic number.

1131411222 is an abundant number, since it is smaller than the sum of its proper divisors (1320810498).

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

1131411222 is a wasteful number, since it uses less digits than its factorization.

1131411222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21308 (or 21305 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1131411222 is about 33636.4567396746. The cubic root of 1131411222 is about 1042.0138561111.

Adding to 1131411222 its reverse (2221141311), we get a palindrome (3352552533).

The spelling of 1131411222 in words is "one billion, one hundred thirty-one million, four hundred eleven thousand, two hundred twenty-two".