2220231055205 has 8 divisors (see below), whose sum is σ = 2714546648952. Its totient is φ = 1742671922368.

The previous prime is 2220231055201. The next prime is 2220231055249. The reversal of 2220231055205 is 5025501320222.

It can be written as a sum of positive squares in 4 ways, for example, as 165162585604 + 2055068469601 = 406402^2 + 1433551^2 .

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 2220231055205 - 2² = 2220231055201 is a prime.

It is a super-3 number, since 3×2220231055205³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220231055201) 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, 4189114934 + ... + 4189115463.

It is an arithmetic number, because the mean of its divisors is an integer number (339318331119).

Almost surely, 2^{2220231055205} is an apocalyptic number.

It is an amenable number.

2220231055205 is a deficient number, since it is larger than the sum of its proper divisors (494315593747).

2220231055205 is an equidigital number, since it uses as much as digits as its factorization.

2220231055205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378230455.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 2220231055205 its reverse (5025501320222), we get a palindrome (7245732375427).

The spelling of 2220231055205 in words is "two trillion, two hundred twenty billion, two hundred thirty-one million, fifty-five thousand, two hundred five".