2212232143531 has 8 divisors (see below), whose sum is σ = 2217324349440. Its totient is φ = 2207140381992.

The previous prime is 2212232143529. The next prime is 2212232143549. The reversal of 2212232143531 is 1353412322122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2212232143531 - 2¹ = 2212232143529 is a prime.

It is a super-2 number, since 2×2212232143531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212232143493 and 2212232143502.

It is not an unprimeable number, because it can be changed into a prime (2212232143831) 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 7 ways as a sum of consecutive naturals, for example, 11171326 + ... + 11367628.

It is an arithmetic number, because the mean of its divisors is an integer number (277165543680).

Almost surely, 2^{2212232143531} is an apocalyptic number.

2212232143531 is a deficient number, since it is larger than the sum of its proper divisors (5092205909).

2212232143531 is a wasteful number, since it uses less digits than its factorization.

2212232143531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222185.

The product of its digits is 17280, while the sum is 31.

Adding to 2212232143531 its reverse (1353412322122), we get a palindrome (3565644465653).

The spelling of 2212232143531 in words is "two trillion, two hundred twelve billion, two hundred thirty-two million, one hundred forty-three thousand, five hundred thirty-one".