1131113222 has 8 divisors (see below), whose sum is σ = 1700819400. Its totient is φ = 564173424.

The previous prime is 1131113201. The next prime is 1131113239. The reversal of 1131113222 is 2223111311.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1131113222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690572 + ... + 692207.

It is an arithmetic number, because the mean of its divisors is an integer number (212602425).

Almost surely, 2^1131113222 is an apocalyptic number.

1131113222 is a deficient number, since it is larger than the sum of its proper divisors (569706178).

1131113222 is a wasteful number, since it uses less digits than its factorization.

1131113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383190.

The product of its digits is 72, while the sum is 17.

The square root of 1131113222 is about 33632.0267304841. The cubic root of 1131113222 is about 1041.9223634721.

Adding to 1131113222 its reverse (2223111311), we get a palindrome (3354224533).

The spelling of 1131113222 in words is "one billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred twenty-two".