3011231222 has 4 divisors (see below), whose sum is σ = 4516846836. Its totient is φ = 1505615610.

The previous prime is 3011231213. The next prime is 3011231227. The reversal of 3011231222 is 2221321103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2221321103 = 19 ⋅116911637.

It is a super-2 number, since 2×3011231222² = 18135026944695226568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3011231222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011231227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752807804 + ... + 752807807.

It is an arithmetic number, because the mean of its divisors is an integer number (1129211709).

Almost surely, 2^3011231222 is an apocalyptic number.

3011231222 is a deficient number, since it is larger than the sum of its proper divisors (1505615614).

3011231222 is a wasteful number, since it uses less digits than its factorization.

3011231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505615613.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3011231222 is about 54874.6865321343. The cubic root of 3011231222 is about 1444.0471317581.

Adding to 3011231222 its reverse (2221321103), we get a palindrome (5232552325).

The spelling of 3011231222 in words is "three billion, eleven million, two hundred thirty-one thousand, two hundred twenty-two".