1161241222 has 8 divisors (see below), whose sum is σ = 1765723176. Its totient is φ = 572666832.

The previous prime is 1161241163. The next prime is 1161241231. The reversal of 1161241222 is 2221421611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1161241193 and 1161241202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3976708 + ... + 3976999.

It is an arithmetic number, because the mean of its divisors is an integer number (220715397).

Almost surely, 2^1161241222 is an apocalyptic number.

1161241222 is a deficient number, since it is larger than the sum of its proper divisors (604481954).

1161241222 is an equidigital number, since it uses as much as digits as its factorization.

1161241222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953782.

The product of its digits is 384, while the sum is 22.

The square root of 1161241222 is about 34076.9896264327. The cubic root of 1161241222 is about 1051.0922034877.

Adding to 1161241222 its reverse (2221421611), we get a palindrome (3382662833).

The spelling of 1161241222 in words is "one billion, one hundred sixty-one million, two hundred forty-one thousand, two hundred twenty-two".