1131022233 has 12 divisors (see below), whose sum is σ = 1782217008. Its totient is φ = 685467960.

The previous prime is 1131022219. The next prime is 1131022247. The reversal of 1131022233 is 3322201311.

It is an interprime number because it is at equal distance from previous prime (1131022219) and next prime (1131022247).

It is not a de Polignac number, because 1131022233 - 2⁵ = 1131022201 is a prime.

It is a super-2 number, since 2×1131022233² = 2558422583080612578, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1131022283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5712135 + ... + 5712332.

It is an arithmetic number, because the mean of its divisors is an integer number (148518084).

Almost surely, 2^1131022233 is an apocalyptic number.

It is an amenable number.

1131022233 is a deficient number, since it is larger than the sum of its proper divisors (651194775).

1131022233 is a wasteful number, since it uses less digits than its factorization.

1131022233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424484 (or 11424481 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1131022233 is about 33630.6739896779. The cubic root of 1131022233 is about 1041.8944246197.

Adding to 1131022233 its reverse (3322201311), we get a palindrome (4453223544).

The spelling of 1131022233 in words is "one billion, one hundred thirty-one million, twenty-two thousand, two hundred thirty-three".