2012222331 has 40 divisors (see below), whose sum is σ = 3444124640. Its totient is φ = 1146897792.

The previous prime is 2012222279. The next prime is 2012222347. The reversal of 2012222331 is 1332222102.

It is not a de Polignac number, because 2012222331 - 2⁹ = 2012221819 is a prime.

It is a super-2 number, since 2×2012222331² = 8098077418750147122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012221331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 227565 + ... + 236241.

It is an arithmetic number, because the mean of its divisors is an integer number (86103116).

Almost surely, 2^2012222331 is an apocalyptic number.

2012222331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2012222331 is a deficient number, since it is larger than the sum of its proper divisors (1431902309).

2012222331 is an equidigital number, since it uses as much as digits as its factorization.

2012222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105 (or 9096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2012222331 is about 44857.8012278801. The cubic root of 2012222331 is about 1262.4823680967.

Adding to 2012222331 its reverse (1332222102), we get a palindrome (3344444433).

The spelling of 2012222331 in words is "two billion, twelve million, two hundred twenty-two thousand, three hundred thirty-one".