2212023231 has 24 divisors (see below), whose sum is σ = 3488541264. Its totient is φ = 1339493760.

The previous prime is 2212023199. The next prime is 2212023239. The reversal of 2212023231 is 1323202122.

It is not a de Polignac number, because 2212023231 - 2⁵ = 2212023199 is a prime.

It is a super-2 number, since 2×2212023231² = 9786093548967358722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212023239) 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 23 ways as a sum of consecutive naturals, for example, 117675 + ... + 135171.

It is an arithmetic number, because the mean of its divisors is an integer number (145355886).

Almost surely, 2^2212023231 is an apocalyptic number.

2212023231 is a deficient number, since it is larger than the sum of its proper divisors (1276518033).

2212023231 is a wasteful number, since it uses less digits than its factorization.

2212023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18791 (or 18788 counting only the distinct ones).

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

The square root of 2212023231 is about 47032.1510352227. The cubic root of 2212023231 is about 1302.9564333759.

Adding to 2212023231 its reverse (1323202122), we get a palindrome (3535225353).

The spelling of 2212023231 in words is "two billion, two hundred twelve million, twenty-three thousand, two hundred thirty-one".