2205011231 has 8 divisors (see below), whose sum is σ = 2335456800. Its totient is φ = 2074647808.

The previous prime is 2205011227. The next prime is 2205011239. The reversal of 2205011231 is 1321105022.

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 2205011231 - 2² = 2205011227 is a prime.

It is a super-2 number, since 2×2205011231² = 9724149057672270722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205011239) 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, 39830 + ... + 77436.

It is an arithmetic number, because the mean of its divisors is an integer number (291932100).

Almost surely, 2^2205011231 is an apocalyptic number.

2205011231 is a deficient number, since it is larger than the sum of its proper divisors (130445569).

2205011231 is a wasteful number, since it uses less digits than its factorization.

2205011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41073.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2205011231 is about 46957.5471143883. The cubic root of 2205011231 is about 1301.5782077287.

Adding to 2205011231 its reverse (1321105022), we get a palindrome (3526116253).

The spelling of 2205011231 in words is "two billion, two hundred five million, eleven thousand, two hundred thirty-one".