2221532223331 has 8 divisors (see below), whose sum is σ = 2263637649744. Its totient is φ = 2179433823840.

The previous prime is 2221532223319. The next prime is 2221532223341. The reversal of 2221532223331 is 1333222351222.

2221532223331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2221532223331 - 2³⁵ = 2187172484963 is a prime.

It is a super-2 number, since 2×2221532223331² (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 = 2221532223293 and 2221532223302.

It is not an unprimeable number, because it can be changed into a prime (2221532223341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116256 + ... + 2385181.

It is an arithmetic number, because the mean of its divisors is an integer number (282954706218).

Almost surely, 2^{2221532223331} is an apocalyptic number.

2221532223331 is a deficient number, since it is larger than the sum of its proper divisors (42105426413).

2221532223331 is a wasteful number, since it uses less digits than its factorization.

2221532223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513461.

The product of its digits is 25920, while the sum is 31.

Adding to 2221532223331 its reverse (1333222351222), we get a palindrome (3554754574553).

The spelling of 2221532223331 in words is "two trillion, two hundred twenty-one billion, five hundred thirty-two million, two hundred twenty-three thousand, three hundred thirty-one".