3231222505501 has 8 divisors (see below), whose sum is σ = 3250232446680. Its totient is φ = 3212216384832.

The previous prime is 3231222505493. The next prime is 3231222505523. The reversal of 3231222505501 is 1055052221323.

3231222505501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2889201055225 + 342021450276 = 1699765^2 + 584826^2 .

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 3231222505501 - 2³ = 3231222505493 is a prime.

It is a super-2 number, since 2×3231222505501² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231222505531) 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, 750291 + ... + 2650543.

It is an arithmetic number, because the mean of its divisors is an integer number (406279055835).

Almost surely, 2^{3231222505501} is an apocalyptic number.

It is an amenable number.

3231222505501 is a deficient number, since it is larger than the sum of its proper divisors (19009941179).

3231222505501 is a wasteful number, since it uses less digits than its factorization.

3231222505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910255.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 3231222505501 its reverse (1055052221323), we get a palindrome (4286274726824).

The spelling of 3231222505501 in words is "three trillion, two hundred thirty-one billion, two hundred twenty-two million, five hundred five thousand, five hundred one".