1161132222 has 16 divisors (see below), whose sum is σ = 2324275200. Its totient is φ = 386708952.

The previous prime is 1161132211. The next prime is 1161132239. The reversal of 1161132222 is 2222311611.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76222 + ... + 90177.

It is an arithmetic number, because the mean of its divisors is an integer number (145267200).

Almost surely, 2^1161132222 is an apocalyptic number.

1161132222 is an abundant number, since it is smaller than the sum of its proper divisors (1163142978).

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

1161132222 is a wasteful number, since it uses less digits than its factorization.

1161132222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167567.

The product of its digits is 288, while the sum is 21.

The square root of 1161132222 is about 34075.3902692251. The cubic root of 1161132222 is about 1051.0593155074.

Adding to 1161132222 its reverse (2222311611), we get a palindrome (3383443833).

The spelling of 1161132222 in words is "one billion, one hundred sixty-one million, one hundred thirty-two thousand, two hundred twenty-two".